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 6145-01-487-3773
NSN 6130-00-923-3383
NSN 4140-01-144-4581
NSN 6130-00-528-7838
NSN 5935-01-482-9452
NSN 4140-00-541-9077
NSN 7035-00-193-2269
NSN 5895-01-252-8831
NSN 5999-00-826-9039
NSN 5945-01-393-8374
NSN 5990-00-694-4086
NSN 5855-00-995-2098