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 5905-01-576-8394
NSN 7035-00-205-1932
NSN 5930-00-389-9275
NSN 5985-00-141-3921
NSN 7035-01-215-2449
NSN 6145-00-057-2249
NSN 6620-01-385-4362
NSN 5950-01-386-4012
NSN 5960-01-549-4826
NSN 5999-01-626-9066
NSN 6130-01-195-9677
NSN 5930-01-211-2748