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 4140-01-092-5616
NSN 6240-00-943-7560
NSN 5835-01-078-2187
NSN 5925-01-621-9371
NSN 6685-01-293-1267
NSN 2925-01-206-2250
NSN 5920-01-392-8226
NSN 6650-01-254-7981
NSN 5965-01-467-2071
NSN 5965-01-012-1065
NSN 6685-00-377-2198
NSN 2925-00-561-5028