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 5905-00-266-0943
NSN 6620-01-633-8443
NSN 5930-01-580-5861
NSN 6650-01-644-1019
NSN 7035-01-210-0493
NSN 7035-01-219-9476
NSN 6620-01-654-9436
NSN 5910-01-064-9866
NSN 6320-01-476-7702
NSN 6610-01-269-5437
NSN 6220-01-090-0126
NSN 4140-01-092-5616