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 5920-01-520-3219
NSN 6645-00-383-7783
NSN 5835-01-345-6697
NSN 5895-01-134-4961
NSN 5895-01-020-7771
NSN 5930-01-148-4129
NSN 6145-00-239-2143
NSN 5905-00-589-8453
NSN 2925-01-545-2717
NSN 6650-00-059-6268
NSN 6135-01-628-2903
NSN 6150-01-363-4805