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 6240-00-594-7138
NSN 4140-01-513-9139
NSN 6645-01-531-8233
NSN 5910-01-323-7086
NSN 6620-01-513-4143
NSN 5965-01-370-1891
NSN 5855-01-149-4110
NSN 5999-00-977-7869
NSN 6135-00-274-4037
NSN 7035-01-372-5006
NSN 5996-01-408-3511
NSN 6610-00-939-6510