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 5905-01-102-5497
NSN 6220-01-577-1020
NSN 5895-01-385-1704
NSN 6130-01-540-0782
NSN 5965-01-140-5555
NSN 5998-01-215-0439
NSN 5910-00-088-1839
NSN 6650-01-222-1749
NSN 4140-00-803-4667
NSN 5998-01-321-3518
NSN 5895-01-191-9532
NSN 6110-01-523-6374