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.
Classification: Articles of aluminum nesoi
NSN 6135-01-100-3593
NSN 5905-01-058-9231
NSN 5975-01-126-6163
NSN 5950-01-629-5118
NSN 6320-01-195-5583
NSN 5999-01-210-9960
NSN 5950-01-649-2980
NSN 5935-01-061-6065
NSN 6610-01-514-0408
NSN 6105-01-294-2582
NSN 5960-01-461-9284
NSN 6130-01-538-8698