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 6240-01-415-2349
NSN 6620-00-491-3818
NSN 6110-00-947-6621
NSN 5985-01-303-6157
NSN 6130-01-629-9361
NSN 6145-00-166-7950
NSN 6320-00-937-5625
NSN 6135-00-973-5632
NSN 5999-01-435-8187
NSN 5950-00-796-5064
NSN 5895-01-034-0171
NSN 5960-01-599-9821