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Serrated Bolt Hex Serr, 5/16'' - 18 x 1/2'', 5SPL, Full Thd — fits 166 models across the New Holland lineup — 256873

Part #256873

Fits: New Holland TR89, New Holland TR89, New Holland TR89, New Holland TR89, New Holland TR89 + 289 more

$2.22

In Stock

About this part

Fits 138 variants across 37 series:

L16 variants
TR Combine12 variants
Variable Chamber12 variants
600 Series10 variants
800 Series8 variants
Windrower7 variants
Versatile 4WD6 variants
Haybine5 variants

About this part

Brand

New Holland

Part Number

256873

SKU

CT-NHL-256873

About this part

Serrated Bolt Hex Serr, 5/16''
18 x 1/2'', 5SPL, Full Thd
fits 166 models across the New Holland lineup
256873

$2.22

$2.22/each · pack of 10 = $22.20

Quantity (sold in pack of 10)

In Stock

Ships from Clinton Tractor

Clinton Tractor Parts

Order as a full pack

Pack of 10 — $22.20

$2.22/ea · SKU CT-NHL-256873-PK10

We're out of individual units. The full pack ships from CNH.

Returns within 30 days

Restocking fees and return shipping terms depend on the item source. See return policy.

$2.22

In Stock

Pack of 10

$22.20

1000 Series

4 variants

Farm Wagon4 variants

Versatile SP4 variants

Forage BOX3 variants

Grinder Mixer3 variants

Mower-conditioner3 variants

Pick-up3 variants

Self-propelled3 variants

2000 Series2 variants

Auger2 variants

Bale Wagon2 variants

Corn Head2 variants

Flail Chopper2 variants

Grain Head2 variants

L100 Series2 variants

LS2 variants

Pivot Tongue2 variants

ROW Crop2 variants

Sickle BAR2 variants

Small2 variants

SP Planter2 variants

Versatile2 variants

10V1 variant

40001 variant

900 Series1 variant

Accumulator1 variant

HW Series1 variant

Large1 variant

Legacy1 variant

Show all 138 models

L (16)

TR Combine (12)

Variable Chamber (12)

600 Series (10)

800 Series (8)

Windrower (7)

Versatile 4WD (6)

Haybine (5)

1000 Series (4)

Farm Wagon (4)

Versatile SP (4)

Forage BOX (3)

Grinder Mixer (3)

Mower-conditioner (3)

Pick-up (3)

Self-propelled (3)

2000 Series (2)

Auger (2)

Bale Wagon (2)

Corn Head (2)

Flail Chopper (2)

Grain Head (2)

L100 Series (2)

LS (2)

Pivot Tongue (2)

ROW Crop (2)

Sickle BAR (2)

Small (2)

SP Planter (2)

Versatile (2)

Most Popular New Holland Parts

Top 6 of 186 best sellers

OEM

Oil, Hydraulic — New Holland — 73341774

PN: 73341774

Ask for a price

Wet Battery 12V,'' 300 Cca'','' 5-13/16'' W x 7-5/16'' H x 7-3/4'' L'' — fits 43 New Holland models — F350DSW

PN: F350DSW

$58.62

OEM

In Stock

Hydraulic Oil — New Holland — 73344274

PN: 73344274

$118.75

OEM

In Stock

Hydraulic Oil — New Holland — 73344268

PN: 73344268

$1,212.00

OEM

Attachment Long Tine for New Holland E57C / E60C — 48058021

PN: 48058021

$4,007.00

Wet Battery 12V,'' 1200 Cca'','' 8-1/8'' W x 8-1/8'' H x 20'' L'' — fits 121 models across the CNH lineup — F150DSW

PN: F150DSW

$229.20

This Part Fits

Part Number History

Replaces

574734 57473570087445707771322 707883317

Current

256873

Found on 377 parts diagrams

18.02

WARNING LIGHTS KIT

Ref 14 · 26 hotspots

AccessoriesNew Holland L120

14A07

Engine Shielding Group

Ref · 19 hotspots

Platform, Cab, Bodywork and DecalsNew Holland TR97

022

CONDENSOR, COMPRESSOR & RECEIVER, DEHYDRATOR

Ref · 41 hotspots

Cab Climate ControlNew Holland 1116

CONDENSOR, COMPRESSOR & RECEIVER, DEHYDRATOR

006

HOUSING GROUP, REAR

Ref · 41 hotspots

Platform, Cab, Bodywork and DecalsNew Holland 1118

063

Rotary SCReen

Ref · 55 hotspots

EngineFord 1915

005

Housing

Ref · 36 hotspots

Complete MachineNew Holland 505

05A01

Engine

Ref · 49 hotspots

No DescriptionNew Holland L784

07.10

Hydraulics, North America

Ref 40 · 67 hotspots

Hydraulic SystemsNew Holland BR740A

015

EMERGENCY BRAKE & BRAKE LINKAGE

Ref 3 · 29 hotspots

Brakes & ControlsVersatile 4400V

11A02

Fan Bottom Shield

Ref · 25 hotspots

CleaningNew Holland TR97

021

LEVER BOX ASSEMBLY

Ref 22 · 63 hotspots

Attachments-HeadersVersatile 4400V

049

Control Pedestal Structure

Ref 6 · 15 hotspots

ControlsVersatile 555V

07A01

Battery Support

Ref · 13 hotspots

Electrical SystemsNew Holland TR87

08.11

SHIELDING GROUP, LH

Ref · 34 hotspots

Sheet Metal-DecalsNew Holland TR89

091

ROTARY SCREEN, 1900

Ref · 54 hotspots

EngineFord 1900

15.02

Fan Bottom Shield

Ref · 26 hotspots

CleaningNew Holland TR89

039

HEADER, SHIELDS & WEAR PLATE

Ref · 38 hotspots

No DescriptionNew Holland 1499

039

HEADER SHIELDS & WEAR PLATE

Ref · 40 hotspots

No DescriptionNew Holland 1496

040

Floorboards & Platform Shields

Ref 14 · 31 hotspots

Platform, Cab, Bodywork and DecalsVersatile 4400V

040

Hydraulics

Ref 32 · 114 hotspots

Complete MachineNew Holland 658

173

Battery Support Group

Ref · 11 hotspots

Electrical SystemsNew Holland TR86

07A04

Electrical, Part 2

Ref · 59 hotspots

Electrical SystemsNew Holland TR87

192

STRAW SPREADER BUNDLE, ASN 526426

Ref · 75 hotspots

Residue HandlingNew Holland TR86

15C09

AIR CONDITIONING PIPING (1981)

Ref 24 · 57 hotspots

Cab and Roll BarsVersatile 1150V

008

Hydraulic Tank

Ref 12 · 15 hotspots

Hydraulic SystemsVersatile 4400V

001

Safety Shields & Reflectors

Ref 20 · 67 hotspots

Attachments-HeadersNew Holland 10V

016

Tailgate

Ref · 70 hotspots

Complete MachineNew Holland 849

071

FAN BOTTOM SHIELD BUNDLE, USED ON & BSN 501850

Ref · 22 hotspots

CleaningNew Holland TR95

FAN BOTTOM SHIELD BUNDLE, USED ON & BSN 501850

022

HYDRAULIC LINES, TABLE CONNECTIONS & BRAKES

Ref 16 · 63 hotspots

Hydraulic SystemsVersatile 4750V

HYDRAULIC LINES, TABLE CONNECTIONS & BRAKES

034

HYDRAULICS, OIL COOLER & OIL FILTER

Ref · 29 hotspots

Hydraulic SystemsNew Holland 1118

10.01.01

Seat

Ref 4 · 11 hotspots

Operators PlatformNew Holland LS120

009

BATT REEL GROUP

Ref · 24 hotspots

Attachments-HeadersNew Holland 973

004

DECK COMPONENTS - 60''

Ref 22 · 36 hotspots

Complete Machine914A-SERIES 60'' REAR DISCHARGE MID-MOUNT MOWER

06.08[1]

HAND BRAKE, SWITCH KIT

Ref 6 · 13 hotspots

Electrical SystemsNew Holland TR89

016

Shield

Ref · 44 hotspots

Complete MachineNew Holland 852

07.20

Hydraulics, North America

Ref 40 · 78 hotspots

Hydraulic SystemsNew Holland BR7070

07.20

Hydraulics, North America

Ref 40 · 71 hotspots

Hydraulic SystemsNew Holland BR750

14A07

Engine Shielding

Ref · 21 hotspots

Platform, Cab, Bodywork and DecalsNew Holland TR87

008

Pickup

Ref · 109 hotspots

Complete MachineNew Holland 2000

080

DOORS & WINDOWS

Ref 17 · 19 hotspots

Platform, Cab, Bodywork and DecalsVersatile 4400V

017

Radiator Frame & Mounting

Ref 40 · 49 hotspots

Engine SystemsVersatile 555V

DRIVE LINE AND SHIELDS ASSEMBLY, S.N. CFH0163233 AND LATER

Ref 26 · 42 hotspots

DrivelineCASE IH BALER AND ACCUMULATOR

DRIVE LINE AND SHIELDS ASSEMBLY, S.N. CFH0163233 AND LATER

016

Cooling System

Ref 10 · 26 hotspots

Engine SystemsVersatile 555V

018

Hydraulics

Ref 25 · 135 hotspots

Complete MachineNew Holland 678

006A

Seat

Ref 4 · 11 hotspots

No DescriptionNew Holland L454

024

AUGER SPEED-UP

Ref · 6 hotspots

Complete MachineNew Holland 114

01B02

Seat

Ref 4 · 11 hotspots

No DescriptionNew Holland L451

141

FORD ENGINE ATTACHING PARTS, ASN 528156

Ref · 103 hotspots

EngineNew Holland TR96

059

CONTOL PEDESTAL STRUCTURE

Ref 6 · 22 hotspots

ControlsVersatile 555V

004

SEAT, ASN 751251 (L255)

Ref · 10 hotspots

No DescriptionNew Holland L250

+327 more parts diagrams

Parts Diagrams

Often Bought Together

Wire Clamp 6.3mm, Coat, 10.3mm Bolt Hole, P Type — universal New Holland service part, fits 338 models — 675162

$4.86

PN 604901

Clamp — fits 35 New Holland models — 604901

$7.62

Hose 9.53mm ID x 3708.4mm L, SAE 100R17 — fits 12 New Holland models — 86632192

$190.95

Hose 12.7mm ID x 3708.4mm L, SAE 100R17 — fits 12 New Holland models — 86632191

$211.95

Clamp 15.9mm, Coat, 8.7mm Bolt Hole, P Type — universal New Holland service part, fits 552 models — 9706748

$7.62

Clamp 9.5mm, Coat, 7.1mm Bolt Hole, P Type — universal New Holland service part, fits 502 models — 86050346

$4.14

Wire Clamp 6.3mm, Coat, 10.3mm Bolt Hole, J Type — universal New Holland service part, fits 239 models — 134580

$6.66

Ball Bearing 34.9mm ID x 72mm OD x 25.4mm W — fits 199 models across the New Holland lineup — 47066

$45.20

PN 86568341

Hose 9.53mm ID x 3225.8mm L for New Holland 640 / 644 / 648 / 650 / 654 / 658 / 660 / 664 / 678 / 688 — 86568341

$177.45

Hose 12.7mm ID x 3098.8mm L for New Holland 644 / 648 / 650 / 654 / 658 / 660 / 664 / 678 / 688 — 86568342

$152.85

Often Bought Together

Service Manuals

Manual Pages

Related Shorts

15

Watch the New Holland T6.180 Tear Through Waist-High Grass #shortsClinton Tractor & Implement Co.

From Above: New Holland The T6.180 Carves a Hayfield Clean #shortsClinton Tractor & Implement Co.

Watch the New Holland B115D Switch Between Two Jobs Without Stopping #shortsClinton Tractor & Implement Co.

Watch the FR550 Reload a Wagon Without Stopping #shortsClinton Tractor & Implement Co.

The New Holland W100D Scoops and Loads Like It's Nothing #shortsClinton Tractor & Implement Co.

Watch the New Holland B115D Cut a Trench Straight Through the Dirt #shortsClinton Tractor & Implement Co.

She’s not my only one…Clinton Tractor & Implement Co.

This New Holland Articulated Loader Timelapse Hits Hard | Spring Is Almost Here"Clinton Tractor & Implement Co.

New Holland T7 Triple Mower Setup Timelapse is NO Joke | Spring Is HERE #shortsClinton Tractor & Implement Co.

How the FR550 Gets a Perfect Chop Every Time #shortsClinton Tractor & Implement Co.

Watch the Workmaster 120 Tear Through Spring Tillage Like It's Light Work #shortsClinton Tractor & Implement Co.

Watch This Harvester DEVOUR Entire Fields in SecondsClinton Tractor & Implement Co.

New Holland Lineup Walk-Around | On Our Lot #shortsClinton Tractor & Implement Co.

Watch This Boomer 40 Sweep a Roadside Clean in Seconds #shortsClinton Tractor & Implement Co.

Massive Harvester in Action #shortsClinton Tractor & Implement Co.

Related Shorts

This Part Fits

Related Shorts

15

Watch the New Holland T6.180 Tear Through Waist-High Grass #shortsClinton Tractor & Implement Co.

From Above: New Holland The T6.180 Carves a Hayfield Clean #shortsClinton Tractor & Implement Co.

Watch the New Holland B115D Switch Between Two Jobs Without Stopping #shortsClinton Tractor & Implement Co.

Watch the FR550 Reload a Wagon Without Stopping #shortsClinton Tractor & Implement Co.

The New Holland W100D Scoops and Loads Like It's Nothing #shortsClinton Tractor & Implement Co.

Watch the New Holland B115D Cut a Trench Straight Through the Dirt #shortsClinton Tractor & Implement Co.

She’s not my only one…Clinton Tractor & Implement Co.

This New Holland Articulated Loader Timelapse Hits Hard | Spring Is Almost Here"Clinton Tractor & Implement Co.

New Holland T7 Triple Mower Setup Timelapse is NO Joke | Spring Is HERE #shortsClinton Tractor & Implement Co.

How the FR550 Gets a Perfect Chop Every Time #shortsClinton Tractor & Implement Co.

Watch the Workmaster 120 Tear Through Spring Tillage Like It's Light Work #shortsClinton Tractor & Implement Co.

Watch This Harvester DEVOUR Entire Fields in SecondsClinton Tractor & Implement Co.

New Holland Lineup Walk-Around | On Our Lot #shortsClinton Tractor & Implement Co.

Watch This Boomer 40 Sweep a Roadside Clean in Seconds #shortsClinton Tractor & Implement Co.

Massive Harvester in Action #shortsClinton Tractor & Implement Co.

Part Number History

Replaces

574734 57473570087445707771322 707883317

Current

256873

Found on 377 parts diagrams

18.02

WARNING LIGHTS KIT

Ref 14 · 26 hotspots

AccessoriesNew Holland L120

14A07

Engine Shielding Group

Ref · 19 hotspots

Platform, Cab, Bodywork and DecalsNew Holland TR97

022

CONDENSOR, COMPRESSOR & RECEIVER, DEHYDRATOR

Ref · 41 hotspots

Cab Climate ControlNew Holland 1116

006

HOUSING GROUP, REAR

Ref · 41 hotspots

Platform, Cab, Bodywork and DecalsNew Holland 1118

063

Rotary SCReen

Ref · 55 hotspots

EngineFord 1915

005

Housing

Ref · 36 hotspots

Complete MachineNew Holland 505

05A01

Engine

Ref · 49 hotspots

No DescriptionNew Holland L784

07.10

Hydraulics, North America

Ref 40 · 67 hotspots

Hydraulic SystemsNew Holland BR740A

015

EMERGENCY BRAKE & BRAKE LINKAGE

Ref 3 · 29 hotspots

Brakes & ControlsVersatile 4400V

11A02

Fan Bottom Shield

Ref · 25 hotspots

CleaningNew Holland TR97

021

LEVER BOX ASSEMBLY

Ref 22 · 63 hotspots

Attachments-HeadersVersatile 4400V

049

Control Pedestal Structure

Ref 6 · 15 hotspots

ControlsVersatile 555V

07A01

Battery Support

Ref · 13 hotspots

Electrical SystemsNew Holland TR87

08.11

SHIELDING GROUP, LH

Ref · 34 hotspots

Sheet Metal-DecalsNew Holland TR89

091

ROTARY SCREEN, 1900

Ref · 54 hotspots

EngineFord 1900

15.02

Fan Bottom Shield

Ref · 26 hotspots

CleaningNew Holland TR89

039

HEADER, SHIELDS & WEAR PLATE

Ref · 38 hotspots

No DescriptionNew Holland 1499

039

HEADER SHIELDS & WEAR PLATE

Ref · 40 hotspots

No DescriptionNew Holland 1496

040

Floorboards & Platform Shields

Ref 14 · 31 hotspots

Platform, Cab, Bodywork and DecalsVersatile 4400V

040

Hydraulics

Ref 32 · 114 hotspots

Complete MachineNew Holland 658

173

Battery Support Group

Ref · 11 hotspots

Electrical SystemsNew Holland TR86

07A04

Electrical, Part 2

Ref · 59 hotspots

Electrical SystemsNew Holland TR87

192

STRAW SPREADER BUNDLE, ASN 526426

Ref · 75 hotspots

Residue HandlingNew Holland TR86

15C09

AIR CONDITIONING PIPING (1981)

Ref 24 · 57 hotspots

Cab and Roll BarsVersatile 1150V

008

Hydraulic Tank

Ref 12 · 15 hotspots

Hydraulic SystemsVersatile 4400V

001

Safety Shields & Reflectors

Ref 20 · 67 hotspots

Attachments-HeadersNew Holland 10V

016

Tailgate

Ref · 70 hotspots

Complete MachineNew Holland 849

071

FAN BOTTOM SHIELD BUNDLE, USED ON & BSN 501850

Ref · 22 hotspots

CleaningNew Holland TR95

022

HYDRAULIC LINES, TABLE CONNECTIONS & BRAKES

Ref 16 · 63 hotspots

Hydraulic SystemsVersatile 4750V

034

HYDRAULICS, OIL COOLER & OIL FILTER

Ref · 29 hotspots

Hydraulic SystemsNew Holland 1118

10.01.01

Seat

Ref 4 · 11 hotspots

Operators PlatformNew Holland LS120

009

BATT REEL GROUP

Ref · 24 hotspots

Attachments-HeadersNew Holland 973

004

DECK COMPONENTS - 60''

Ref 22 · 36 hotspots

Complete Machine914A-SERIES 60'' REAR DISCHARGE MID-MOUNT MOWER

06.08[1]

HAND BRAKE, SWITCH KIT

Ref 6 · 13 hotspots

Electrical SystemsNew Holland TR89

016

Shield

Ref · 44 hotspots

Complete MachineNew Holland 852

07.20

Hydraulics, North America

Ref 40 · 78 hotspots

Hydraulic SystemsNew Holland BR7070

07.20

Hydraulics, North America

Ref 40 · 71 hotspots

Hydraulic SystemsNew Holland BR750

14A07

Engine Shielding

Ref · 21 hotspots

Platform, Cab, Bodywork and DecalsNew Holland TR87

008

Pickup

Ref · 109 hotspots

Complete MachineNew Holland 2000

080

DOORS & WINDOWS

Ref 17 · 19 hotspots

Platform, Cab, Bodywork and DecalsVersatile 4400V

017

Radiator Frame & Mounting

Ref 40 · 49 hotspots

Engine SystemsVersatile 555V

DRIVE LINE AND SHIELDS ASSEMBLY, S.N. CFH0163233 AND LATER

Ref 26 · 42 hotspots

DrivelineCASE IH BALER AND ACCUMULATOR

016

Cooling System

Ref 10 · 26 hotspots

Engine SystemsVersatile 555V

018

Hydraulics

Ref 25 · 135 hotspots

Complete MachineNew Holland 678

006A

Seat

Ref 4 · 11 hotspots

No DescriptionNew Holland L454

024

AUGER SPEED-UP

Ref · 6 hotspots

Complete MachineNew Holland 114

01B02

Seat

Ref 4 · 11 hotspots

No DescriptionNew Holland L451

141

FORD ENGINE ATTACHING PARTS, ASN 528156

Ref · 103 hotspots

EngineNew Holland TR96

059

CONTOL PEDESTAL STRUCTURE

Ref 6 · 22 hotspots

ControlsVersatile 555V

004

SEAT, ASN 751251 (L255)

Ref · 10 hotspots

No DescriptionNew Holland L250

+327 more parts diagrams

Often Bought Together

Wire Clamp 6.3mm, Coat, 10.3mm Bolt Hole, P Type — universal New Holland service part, fits 338 models — 675162

$4.86

PN 604901

Clamp — fits 35 New Holland models — 604901

$7.62

Hose 9.53mm ID x 3708.4mm L, SAE 100R17 — fits 12 New Holland models — 86632192

$190.95

Hose 12.7mm ID x 3708.4mm L, SAE 100R17 — fits 12 New Holland models — 86632191

$211.95

Clamp 15.9mm, Coat, 8.7mm Bolt Hole, P Type — universal New Holland service part, fits 552 models — 9706748

$7.62

Clamp 9.5mm, Coat, 7.1mm Bolt Hole, P Type — universal New Holland service part, fits 502 models — 86050346

$4.14

Wire Clamp 6.3mm, Coat, 10.3mm Bolt Hole, J Type — universal New Holland service part, fits 239 models — 134580

$6.66

Ball Bearing 34.9mm ID x 72mm OD x 25.4mm W — fits 199 models across the New Holland lineup — 47066

$45.20

PN 86568341

Hose 9.53mm ID x 3225.8mm L for New Holland 640 / 644 / 648 / 650 / 654 / 658 / 660 / 664 / 678 / 688 — 86568341

$177.45

Hose 12.7mm ID x 3098.8mm L for New Holland 644 / 648 / 650 / 654 / 658 / 660 / 664 / 678 / 688 — 86568342

$152.85

Serrated Bolt Hex Serr, 5/16'' - 18 x 1/2'', 5SPL, Full Thd — fits 166 models across the New Holland lineup — 256873

About this part

About this part

About this part

L (16)

TR Combine (12)

Variable Chamber (12)

600 Series (10)

800 Series (8)

Windrower (7)

Versatile 4WD (6)

Haybine (5)

1000 Series (4)

Farm Wagon (4)

Versatile SP (4)

Forage BOX (3)

Grinder Mixer (3)

Mower-conditioner (3)

Pick-up (3)

Self-propelled (3)

2000 Series (2)

Auger (2)

Bale Wagon (2)

Corn Head (2)

Flail Chopper (2)

Grain Head (2)

L100 Series (2)

LS (2)

Pivot Tongue (2)

ROW Crop (2)

Sickle BAR (2)

Small (2)

SP Planter (2)

Versatile (2)

10V (1)

4000 (1)

900 Series (1)

Accumulator (1)

HW Series (1)

Large (1)

Legacy (1)

Oil, Hydraulic — New Holland — 73341774

Wet Battery 12V,'' 300 Cca'','' 5-13/16'' W x 7-5/16'' H x 7-3/4'' L'' — fits 43 New Holland models — F350DSW

Hydraulic Oil — New Holland — 73344274

Hydraulic Oil — New Holland — 73344268

Attachment Long Tine for New Holland E57C / E60C — 48058021

Wet Battery 12V,'' 1200 Cca'','' 8-1/8'' W x 8-1/8'' H x 20'' L'' — fits 121 models across the CNH lineup — F150DSW

This Part Fits

Harvesting Equipment

Balers

Haytools

Forage Equipment

Light Equipment

Tractors

Material Handling

Crop Production Equipment

This Part Fits

Part Number History

Found on 377 parts diagrams

WARNING LIGHTS KIT

Engine Shielding Group

CONDENSOR, COMPRESSOR & RECEIVER, DEHYDRATOR

HOUSING GROUP, REAR

Rotary SCReen

Housing

Engine

Hydraulics, North America

EMERGENCY BRAKE & BRAKE LINKAGE

Fan Bottom Shield

LEVER BOX ASSEMBLY

Control Pedestal Structure

Battery Support

SHIELDING GROUP, LH

ROTARY SCREEN, 1900

Fan Bottom Shield

HEADER, SHIELDS & WEAR PLATE

HEADER SHIELDS & WEAR PLATE

Floorboards & Platform Shields

Hydraulics

Battery Support Group