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 5985-01-040-0903
NSN 5910-00-831-0350
NSN 6320-00-886-9771
NSN 6220-01-409-1585
NSN 5915-00-678-0177
NSN 5999-00-820-2047
NSN 6145-01-416-1276
NSN 5985-01-005-2746
NSN 5930-01-549-4804
NSN 5960-01-489-1510
NSN 5925-00-660-7589
NSN 6110-00-104-4663