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 4140-01-485-3321
NSN 5855-00-167-7893
NSN 6240-00-908-5069
NSN 5945-00-711-4145
NSN 5996-00-892-4190
NSN 5990-01-522-6096
NSN 5835-01-508-2528
NSN 5975-01-062-5650
NSN 5999-01-486-5469
NSN 5920-01-011-4441
NSN 4140-01-351-3168
NSN 5998-01-555-4316