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 5999-01-148-1103
NSN 5910-00-211-3573
NSN 5915-00-409-1645
NSN 5985-01-239-9537
NSN 6240-00-246-5060
NSN 5975-01-157-9432
NSN 5930-00-507-7175
NSN 5910-01-414-0292
NSN 6105-01-323-1416
NSN 6130-01-580-1516
NSN 6110-01-534-3381
NSN 5920-01-371-3112