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 4140-00-244-2365
NSN 2925-00-977-9956
NSN 6645-00-843-8837
NSN 5985-01-117-6797
NSN 6320-00-456-2092
NSN 6320-01-415-0953
NSN 5920-01-401-5315
NSN 5930-00-522-1796
NSN 6320-00-194-4252
NSN 5998-01-023-1636
NSN 5905-01-350-3624
NSN 6150-00-034-7844