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 6145-01-324-2518
NSN 5965-00-080-2045
NSN 5855-01-268-6468
NSN 2925-01-170-1089
NSN 4140-01-435-0104
NSN 6620-00-246-6448
NSN 6320-01-233-5798
NSN 5835-01-584-1827
NSN 6650-01-028-9791
NSN 5895-01-117-0349
NSN 5925-01-058-1265
NSN 5975-01-397-7801