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: Other articles of iron or steel not wire nesoi
NSN 6150-01-154-0258
NSN 4140-01-383-6184
NSN 5990-01-517-7848
NSN 4140-01-563-5618
NSN 2925-01-359-4027
NSN 5930-01-454-5615
NSN 6145-01-303-9840
NSN 6105-01-504-8764
NSN 5910-01-521-4415
NSN 6220-00-782-2058
NSN 7035-01-426-4133
NSN 6650-01-131-8626