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 6645-01-193-9839
NSN 5910-01-218-9786
NSN 5915-01-510-9763
NSN 2925-01-294-4125
NSN 5999-01-459-1227
NSN 2925-01-516-0124
NSN 6105-01-308-8426
NSN 5930-01-344-5621
NSN 5930-00-603-5939
NSN 6645-01-019-8662
NSN 6650-00-035-9297
NSN 6685-00-259-3013