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 5945-01-037-5789
NSN 5905-01-474-5173
NSN 6105-01-630-9813
NSN 6650-00-904-0085
NSN 5990-01-414-7618
NSN 6685-00-720-3525
NSN 6220-00-932-4992
NSN 6145-01-618-1433
NSN 5855-01-461-7726
NSN 6145-01-462-5930
NSN 6645-00-920-8690
NSN 5999-01-221-9175