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 6645-00-235-4685
NSN 5910-01-566-3296
NSN 5975-00-209-1428
NSN 5920-01-618-1073
NSN 5965-01-450-3154
NSN 4140-01-383-7274
NSN 5915-01-348-7721
NSN 5855-00-294-7532
NSN 5925-01-534-3382
NSN 5930-01-605-2780
NSN 5990-01-029-9965
NSN 6135-01-508-6083