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 5990-01-521-7890
NSN 5835-01-574-0080
NSN 5998-01-410-7788
NSN 5895-00-518-1593
NSN 5990-00-814-9788
NSN 6130-01-132-0195
NSN 6135-00-911-9321
NSN 7035-01-145-5059
NSN 5895-00-270-6595
NSN 5925-01-293-8349
NSN 5930-00-968-4590
NSN 5965-01-258-5662