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 6240-01-429-9826
NSN 5920-01-221-0510
NSN 4140-01-191-9282
NSN 2925-00-862-8550
NSN 6610-01-608-2899
NSN 6320-01-098-2503
NSN 5835-01-362-1946
NSN 6105-01-570-4807
NSN 6105-01-383-6534
NSN 5920-01-486-3826
NSN 5905-01-177-4613
NSN 5998-00-401-1789