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 6110-01-045-4160
NSN 2925-00-343-3235
NSN 5925-01-381-8598
NSN 5960-01-364-1318
NSN 7035-00-295-0451
NSN 6220-01-020-7596
NSN 5999-01-461-8046
NSN 5895-01-171-4049
NSN 5950-01-010-1197
NSN 6110-01-544-6383
NSN 5935-00-589-7853
NSN 5965-00-959-8162