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 6150-01-158-8232
NSN 6610-01-383-7419
NSN 5990-00-773-9923
NSN 5999-01-269-2464
NSN 5985-01-481-4461
NSN 5996-01-167-3205
NSN 5930-01-603-1888
NSN 6110-01-325-1557
NSN 6685-01-163-6926
NSN 6650-01-240-2334
NSN 5855-00-361-0167
NSN 6650-00-680-9595