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 4140-01-634-0330
NSN 5960-01-464-9605
NSN 6110-01-235-9175
NSN 5905-01-144-2186
NSN 5855-01-411-0189
NSN 6240-01-063-6070
NSN 6240-00-933-4188
NSN 5945-01-444-3948
NSN 5935-00-100-1147
NSN 6110-00-647-3932
NSN 5930-01-595-2137
NSN 5895-00-480-3254