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 5855-01-429-8702
NSN 5975-00-232-7647
NSN 6110-01-315-9784
NSN 5895-01-170-1332
NSN 6650-01-301-3959
NSN 5999-01-052-9558
NSN 5920-00-421-5655
NSN 5935-01-509-0013
NSN 5960-00-073-1272
NSN 5990-00-118-8953
NSN 6610-00-361-6954
NSN 5945-01-283-3949