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 5930-01-435-0129
NSN 5990-00-010-1413
NSN 6150-00-386-1996
NSN 5925-01-453-1819
NSN 5985-01-252-4016
NSN 6135-00-733-9665
NSN 4140-01-452-7085
NSN 5996-01-322-0021
NSN 4140-01-600-3299
NSN 4140-00-551-3151
NSN 7035-01-445-3563
NSN 5855-01-457-3608