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 5915-00-454-7746
NSN 5999-01-034-9467
NSN 5920-00-577-0830
NSN 5905-01-242-9378
NSN 6645-00-789-0800
NSN 5950-01-026-9183
NSN 6620-01-391-6499
NSN 6145-01-294-1134
NSN 6130-01-357-7918
NSN 5910-01-622-3590
NSN 6320-01-519-8767
NSN 5855-00-149-0766