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 5990-01-055-4012
NSN 5920-01-211-5557
NSN 6645-01-148-7289
NSN 5910-01-114-4271
NSN 5965-01-512-5009
NSN 5960-00-999-4422
NSN 6685-01-240-1437
NSN 5895-01-209-9244
NSN 6220-01-411-6808
NSN 6145-01-505-8959
NSN 5915-01-595-7283
NSN 6320-00-646-3311