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 4140-01-338-5984
NSN 6240-00-578-6763
NSN 6240-01-167-1831
NSN 6130-01-480-8598
NSN 4140-00-203-9832
NSN 6240-01-068-5961
NSN 6650-01-339-5257
NSN 5915-01-527-8145
NSN 4140-01-586-9605
NSN 6320-00-682-3448
NSN 6130-01-252-0122
NSN 5996-01-381-0711