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 6650-01-629-9480
NSN 5925-01-145-4565
NSN 6645-00-392-8728
NSN 6145-01-197-7469
NSN 5930-01-225-8614
NSN 5835-00-491-3834
NSN 5950-01-387-4286
NSN 2925-01-273-4898
NSN 5998-01-578-9971
NSN 6130-00-679-8891
NSN 5905-01-386-6488
NSN 5975-01-355-8401