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.
NSN 6130-01-191-5087
NSN 5945-01-469-6835
NSN 5965-00-170-5254
NSN 6620-00-959-6614
NSN 5985-01-240-3272
NSN 5945-01-594-0571
NSN 5999-01-056-5281
NSN 5975-01-214-8511
NSN 5975-00-849-4084
NSN 6135-01-633-1691
NSN 6645-01-500-0827
NSN 5945-01-274-5723