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 6145-01-261-1940
NSN 5950-01-444-2902
NSN 6130-00-153-9468
NSN 6645-01-322-8897
NSN 4140-01-328-1948
NSN 5965-00-275-0491
NSN 6645-01-592-7563
NSN 5965-00-113-9748
NSN 6220-01-373-2778
NSN 5935-00-460-0978
NSN 6650-00-717-4464
NSN 5985-01-573-1112