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 5998-01-421-3503
NSN 6650-00-146-6485
NSN 5915-01-526-3712
NSN 4140-01-099-6657
NSN 6645-01-599-2311
NSN 6145-01-492-3722
NSN 5930-00-287-0983
NSN 5910-01-255-8404
NSN 5999-00-399-5099
NSN 6130-00-655-3084
NSN 6110-01-454-7734
NSN 2925-01-400-2286