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 5905-01-187-1888
NSN 5965-01-200-6613
NSN 6130-01-246-2264
NSN 6150-01-488-7331
NSN 2925-00-246-3077
NSN 5910-01-065-2826
NSN 5999-00-383-3381
NSN 6220-01-401-5337
NSN 5925-01-421-1139
NSN 5990-00-917-4220
NSN 5910-01-352-9842
NSN 5835-01-580-0446