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 5975-01-648-8639
NSN 5895-00-490-1550
NSN 5935-00-004-7004
NSN 5999-01-279-9827
NSN 6105-01-319-0144
NSN 5925-00-471-4635
NSN 6135-00-563-7711
NSN 2925-01-221-3247
NSN 6220-01-595-0707
NSN 6150-01-121-3525
NSN 6645-01-492-9183
NSN 6110-00-689-1632