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 6610-00-350-1091
NSN 5965-00-925-1725
NSN 5998-00-076-3269
NSN 6150-01-245-0801
NSN 4140-01-047-4093
NSN 6220-00-823-6688
NSN 6145-00-805-1722
NSN 5915-01-236-3610
NSN 6650-01-442-2596
NSN 5915-01-594-1138
NSN 4140-00-170-1567
NSN 5920-00-241-3838