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.
NSN 4140-01-421-3981
NSN 6135-00-269-5843
NSN 5950-01-272-7179
NSN 5999-01-401-5322
NSN 5920-01-281-9965
NSN 6110-01-568-2330
NSN 5855-00-455-6070
NSN 5895-01-365-2724
NSN 5910-01-132-3245
NSN 6130-00-873-4468
NSN 5990-00-438-5587
NSN 5996-01-645-1480