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 6610-01-501-6630
NSN 6135-01-582-5987
NSN 6135-01-503-1688
NSN 6240-00-573-7514
NSN 6685-01-287-9974
NSN 6240-01-242-9138
NSN 4140-01-456-5685
NSN 5935-00-675-3294
NSN 5999-01-571-7626
NSN 5975-00-162-9530
NSN 5985-00-173-3545
NSN 5945-00-385-3683