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.
NSN 5965-00-199-4456
NSN 5975-00-961-2556
NSN 5910-00-929-5163
NSN 6135-01-324-7718
NSN 4140-01-394-5304
NSN 5905-01-389-8697
NSN 5965-01-181-5706
NSN 5855-01-122-9418
NSN 5990-01-468-1292
NSN 6650-00-324-4973
NSN 4140-01-400-3610
NSN 5950-01-476-2901