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: Articles of aluminum nesoi
NSN 5930-01-461-8362
NSN 5910-01-210-1181
NSN 5975-01-020-9860
NSN 6130-00-784-6646
NSN 6685-00-789-3404
NSN 5905-01-257-1977
NSN 4140-01-550-0022
NSN 5910-00-426-8118
NSN 5905-01-344-8888
NSN 5985-01-064-1363
NSN 6620-00-227-6776
NSN 5996-01-062-3693