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 5945-00-434-9673
NSN 6685-00-542-6608
NSN 5990-01-221-6361
NSN 2925-01-463-8856
NSN 6130-01-263-2457
NSN 5925-00-421-6629
NSN 7035-00-756-4374
NSN 5996-01-568-2370
NSN 6240-00-266-6258
NSN 6650-01-534-5787
NSN 6685-01-399-5200
NSN 4140-00-225-8586