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 5920-01-072-5179
NSN 6650-00-732-5031
NSN 5975-00-216-4848
NSN 5996-01-509-4874
NSN 6650-00-736-8456
NSN 5945-00-223-2612
NSN 5930-01-517-3240
NSN 5998-00-823-1126
NSN 5950-00-506-9499
NSN 5996-00-281-4500
NSN 5999-01-463-9039
NSN 6610-01-477-6476