Families

▶ARTICULATED DUMP TRUCK

▶ASPHALT PAVER

▶BACKHOE LOADER

▶CHALLENGER

▶COLD PLANER

▶COMBINE

▶CONTROL, GUIDANCE, MONITORING, AND TECHNOLOGY PRODUCTS

▶DRILL

▶EARTHMOVING COMPACTOR

▶ENGINE - GENERATOR SET

▶ENGINE - INDUSTRIAL

▶ENGINE - MACHINE

▶ENGINE - TRUCK

▶ENGINEER SUPPORT TRACTOR

▶EXCAVATOR

▶EXPANDED MINING PRODUCTS

▶FOREST PRODUCTS

▶GENERATOR

▶INTEGRATED TOOLCARRIER

▶LOAD, HAUL, DUMP

▶MARINE PRODUCTS

▶MATERIAL HANDLER

▶MINI HYDRAULIC EXCAVATOR

▶MOTOR GRADER

▶OEM SOLUTIONS

▶OFF-HIGHWAY TRUCK

▶ON HIGHWAY TRUCK

▶PAVING COMPACTOR

▶PETROLEUM PRODUCTS

▶PIPELAYER

▶POWER SYSTEMS

▶RENEWABLE ENERGY

▶RETROFIT AFTERTREATMENT

▶ROAD RECLAIMER

▶SKID STEER LOADER

▶TECHNOLOGY

▶TELEHANDLER

▶TILLAGE

▶TRACK-TYPE LOADER

▶TRACK-TYPE SKIDDER

▶TRACK-TYPE TRACTOR

▶UNDERGROUND ARTICULATED TRUCK

▶UTILITY VEHICLE

▶WHEEL DOZER

▶WHEEL TRACTOR-SCRAPER

▶WHEEL-TYPE LOADER

▶WHEEL-TYPE SKIDDER

▶WHEELED EXCAVATOR

▶WORK TOOL

2811200

LOCKNUT (M3X0.5-THD)

19Models

39Assemblies

29Co-occurring

Part Information ▼

BrandCaterpillarWeight0.01 lb (0.00 kg)

▼Compatible Models (19)

303.5C 303.5D 303.5E 303.5E2 303.5E2 CR 303C CR 303E CR 303ECR 304C CR 304D CR 304E 304E2 CR 305.5D 305.5E 305.5E2 CR

▼Found in Assemblies (39)

Assembly	Model	Ref#	Qty	Note
281-1195 DOOR GP-CABPART OF 419-1237 CAB GP · AN ATTACHMENT	303.5E2	12	×2	M
281-1195 DOOR GP-CABPART OF 419-1237 CAB GP · AN ATTACHMENT	303.5E	12	×2	M
281-1195 DOOR GP-CABPART OF 469-4136 CAB GP · AN ATTACHMENT	303.5E2 CR	12	×2	M
281-1195 DOOR GP-CABPART OF 419-1244, 508-7592 CAB GP · AN ATTACHMENT	303E CR	12	×2	M
281-1195 DOOR GP-CABPART OF 469-4136 CAB GP · AN ATTACHMENT	304E2 CR	12	×2	M
281-1195 DOOR GP-CABPART OF 469-4136 CAB GP · AN ATTACHMENT	305.5E2 CR	12	×2	M
281-1195 DOOR GP-CABPART OF 469-4136 CAB GP · AN ATTACHMENT	305E2 CR	12	×2	M
281-1195 DOOR GP-CABPART OF 419-1237 CAB GP · AN ATTACHMENT	303.5E	12	×2	M
281-1195 DOOR GP-CABPART OF 419-1237 CAB GP · AN ATTACHMENT	303.5E	12	×2	M
281-1195 DOOR GP-CABPART OF 282-9689 CAB GP · AN ATTACHMENT	304D CR	12	×2	M
281-1195 DOOR GP-CABPART OF 282-9689 CAB GP · AN ATTACHMENT	303.5C	12	×2	M
281-1195 DOOR GP-CABPART OF 282-9689 CAB GP · AN ATTACHMENT	303C CR	12	×2	M
281-1195 DOOR GP-CABPART OF 282-9689 CAB GP · AN ATTACHMENT	304C CR	12	×2	M
281-1195 DOOR GP-CABPART OF 282-9689 CAB GP · AN ATTACHMENT	305C CR	12	×2	M
281-1195 DOOR GP-CABPART OF 282-9689 CAB GP · AN ATTACHMENT	305D CR	12	×2	M
281-1195 DOOR GP-CABPART OF 282-9689 CAB GP · AN ATTACHMENT	305.5D	12	×2	M
281-1195 DOOR GP-CABPART OF 282-9689 CAB GP · AN ATTACHMENT	303.5D	12	×2	M
281-1195 DOOR GP-CABPART OF 377-5108, 415-6803, 419-1237 CAB GP · AN ATTACHMENT	303.5E	12	×2	M
281-1195 DOOR GP-CABPART OF 377-5108, 415-6803, 419-1237 CAB GP · AN ATTACHMENT	304E	12	×2	M
281-1195 DOOR GP-CABPART OF 377-5108, 415-6803, 419-1237 CAB GP · AN ATTACHMENT	305.5E	12	×2	M
281-1195 DOOR GP-CABPART OF 377-5108, 415-6803, 419-1237 CAB GP · AN ATTACHMENT	305E	12	×2	M
281-1195 DOOR GP-CABPART OF 419-1244, 508-7592 CAB GP · AN ATTACHMENT	303E CR	12	×2	M
281-1195 DOOR GP-CABPART OF 417-8095 CAB GP · AN ATTACHMENT	303.5E	12	×2	M
281-1195 DOOR GP-CABPART OF 417-8095 CAB GP · AN ATTACHMENT	304E	12	×2	M
281-1195 DOOR GP-CABPART OF 417-8095 CAB GP · AN ATTACHMENT	305E	12	×2	M
281-1195 DOOR GP-CABPART OF 417-8095 CAB GP · AN ATTACHMENT	305E	12	×2	M
281-1195 DOOR GP-CABPART OF 417-8095 CAB GP · AN ATTACHMENT	305.5E	12	×2	M
281-1195 DOOR GP-CABPART OF 417-8095 CAB GP · AN ATTACHMENT	305.5E	12	×2	M
281-1195 DOOR GP-CABPART OF 419-1244, 508-7592 CAB GP · AN ATTACHMENT	303E CR	12	×2	M
281-1195 DOOR GP-CABPART OF 486-8020 CAB GP · AN ATTACHMENT	303E CR	12	×2	M
281-1195 DOOR GP-CABPART OF 469-4136 CAB GP · AN ATTACHMENT	305E2 CR	12	×2	M
281-1195 DOOR GP-CABPART OF 469-4136 CAB GP · AN ATTACHMENT	304E2 CR	12	×2	M
281-1195 DOOR GP-CABPART OF 469-4136 CAB GP · AN ATTACHMENT	303.5E2 CR	12	×2	M
281-1195 DOOR GP-CABPART OF 469-4136 CAB GP · AN ATTACHMENT	305E2 CR	12	×2	M
281-1195 DOOR GP-CABPART OF 469-4136 CAB GP · AN ATTACHMENT	303.5E2 CR	12	×2	M
281-1195 DOOR GP-CABPART OF 469-4136 CAB GP · AN ATTACHMENT	305.5E2 CR	12	×2	M
281-1195 DOOR GP-CABPART OF 469-4136 CAB GP · AN ATTACHMENT	304E2 CR	12	×2	M
281-1195 DOOR GP-CABPART OF 469-4136 CAB GP · AN ATTACHMENT	305.5E2 CR	12	×2	M
281-1195 DOOR GP-CABPART OF 486-8020 CAB GP · AN ATTACHMENT	303E CR	12	×2	M

▼Parts in Same Assemblies (29)