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 4140-01-384-2351
NSN 6220-01-441-7800
NSN 6650-00-005-3514
NSN 5950-00-939-4624
NSN 5998-01-209-6715
NSN 5975-01-138-5223
NSN 5960-01-450-8539
NSN 6135-00-050-7189
NSN 6650-00-423-2178
NSN 6320-01-492-0243
NSN 5935-00-584-4584
NSN 6220-01-548-8326