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 6145-00-490-5497
NSN 5965-01-023-0245
NSN 5925-01-274-2263
NSN 6130-00-338-6283
NSN 5935-00-229-7654
NSN 5855-00-138-2386
NSN 5910-01-630-2238
NSN 5910-01-406-3880
NSN 6220-00-735-4524
NSN 5990-01-416-0362
NSN 4140-01-106-4755
NSN 5975-00-165-3432