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 5905-00-105-4639
NSN 2925-00-231-8041
NSN 5999-00-999-2807
NSN 5910-00-999-2046
NSN 4140-01-425-7955
NSN 5985-00-528-1191
NSN 6650-00-068-2208
NSN 5985-01-360-3367
NSN 5945-00-159-1526
NSN 6220-00-739-1799
NSN 2925-00-211-4469
NSN 5999-00-833-2317