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 5935-01-231-6913
NSN 5945-01-507-0517
NSN 6135-00-100-0485
NSN 5998-00-240-3316
NSN 5910-01-040-8961
NSN 5835-01-158-6878
NSN 5975-00-235-2347
NSN 5975-00-482-4663
NSN 6320-01-358-0141
NSN 5985-01-066-8592
NSN 6240-00-161-8099
NSN 6110-00-701-4415