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 4140-01-333-6052
NSN 6645-01-376-2336
NSN 6240-01-348-0057
NSN 5998-00-906-2546
NSN 5990-01-539-4653
NSN 6610-01-565-9857
NSN 5975-01-315-6378
NSN 6150-01-221-9164
NSN 6650-01-546-5425
NSN 5960-00-642-9977
NSN 5975-01-014-7231
NSN 5910-01-619-7462