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 5990-00-138-2730
NSN 5895-01-310-3526
NSN 5960-01-292-8309
NSN 5835-01-658-8290
NSN 6620-01-189-8153
NSN 5925-00-642-1114
NSN 5945-01-541-1406
NSN 6320-01-425-1417
NSN 5915-01-440-1227
NSN 7035-00-973-3331
NSN 6650-01-415-3332
NSN 5950-00-454-0308