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 6220-00-823-6688
NSN 5985-00-695-4547
NSN 6320-01-046-5228
NSN 6685-00-116-8073
NSN 5920-00-496-8006
NSN 5950-01-559-0264
NSN 5950-00-428-3393
NSN 5910-01-321-3594
NSN 4140-00-832-3286
NSN 6240-01-474-1846
NSN 5905-01-333-8586
NSN 7035-01-589-2629