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 5965-01-649-2978
NSN 5999-01-055-4306
NSN 6135-01-278-9717
NSN 5920-01-177-9200
NSN 5905-01-241-3639
NSN 5930-00-278-7731
NSN 6150-00-183-7710
NSN 5950-00-059-5921
NSN 5915-01-359-8329
NSN 4140-01-170-5395
NSN 6610-01-192-2467
NSN 6150-01-639-8152