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 6685-01-158-8773
NSN 5905-01-023-8181
NSN 5990-01-088-5293
NSN 5960-01-530-0581
NSN 5925-00-666-4753
NSN 6645-01-243-0468
NSN 2925-01-600-2309
NSN 5915-01-084-8294
NSN 5945-01-319-6104
NSN 6110-01-391-2710
NSN 6220-01-077-9868
NSN 5920-00-055-8431