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 6620-00-904-2139
NSN 6650-00-995-8015
NSN 5930-01-541-1605
NSN 6110-01-456-5775
NSN 6685-00-265-0912
NSN 6645-01-308-2260
NSN 6610-01-078-1725
NSN 6620-00-663-8962
NSN 4140-00-189-0235
NSN 5965-00-907-5183
NSN 5910-01-199-2070
NSN 6240-01-135-3874