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 6220-01-360-5525
NSN 5975-01-289-8315
NSN 6135-00-170-8819
NSN 6220-01-588-6007
NSN 5905-01-374-1076
NSN 4140-01-457-5539
NSN 6130-01-273-0944
NSN 5996-01-358-2655
NSN 5975-01-036-0305
NSN 6145-01-206-4855
NSN 5895-01-615-2151
NSN 2925-01-442-7812