Not casehardened; hole shape: round; shape: round
A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.
Classification: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 6150-00-240-4411
NSN 6150-01-442-7622
NSN 5996-00-891-9250
NSN 6135-01-461-2915
NSN 5915-01-190-0362
NSN 5925-00-801-7120
NSN 6620-01-446-7290
NSN 5835-00-891-2232
NSN 4140-00-878-7356
NSN 5965-01-386-2988
NSN 2925-01-327-3069
NSN 4140-00-225-8586