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 6105-01-367-2859
NSN 6220-01-019-0505
NSN 5855-00-237-4088
NSN 5930-01-217-1671
NSN 6320-00-149-7570
NSN 6320-00-925-0558
NSN 2925-00-766-1278
NSN 5975-01-332-8815
NSN 5915-00-089-5448
NSN 5945-01-261-0318
NSN 4140-01-116-8141
NSN 6685-01-203-2160