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 6645-01-435-6373
NSN 6220-01-021-0181
NSN 5998-00-175-7352
NSN 6220-01-044-6940
NSN 5915-01-276-0629
NSN 6135-01-286-9563
NSN 6650-00-166-7160
NSN 5965-01-575-2388
NSN 6650-01-323-9183
NSN 6610-01-236-2510
NSN 6110-01-593-9719
NSN 6650-01-067-8946