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 6610-01-336-2787
NSN 7035-01-556-9183
NSN 6645-00-376-4829
NSN 5998-01-225-4751
NSN 5905-01-649-5802
NSN 5910-01-015-0129
NSN 5965-01-600-3283
NSN 4140-01-420-6508
NSN 5920-01-025-6989
NSN 5920-00-687-2066
NSN 6130-00-765-2255
NSN 5920-01-307-6577