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 6240-01-435-7973
NSN 6220-00-067-7645
NSN 2925-00-118-4297
NSN 5915-01-212-9590
NSN 5975-00-119-9182
NSN 6645-01-523-8809
NSN 5975-01-129-2882
NSN 4140-00-111-3247
NSN 6150-00-490-2514
NSN 6145-00-690-9320
NSN 5996-01-394-5768
NSN 5910-01-030-7077