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 6650-00-434-0188
NSN 6620-01-057-2580
NSN 6145-00-927-8830
NSN 5999-01-133-5362
NSN 5990-00-386-4951
NSN 5835-01-220-6024
NSN 5965-01-628-0905
NSN 5905-00-735-4333
NSN 4140-01-098-7997
NSN 5920-00-539-7847
NSN 5895-01-418-1764
NSN 6110-01-095-7440