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 6145-01-625-2550
NSN 6110-00-719-7209
NSN 2925-01-071-9291
NSN 6240-00-290-4185
NSN 6130-01-218-9247
NSN 7035-01-472-1999
NSN 6650-01-381-3542
NSN 6105-01-655-3954
NSN 6240-01-580-0609
NSN 5920-00-194-4049
NSN 6320-01-123-6814
NSN 5999-01-595-9556