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 6320-01-220-2264
NSN 6610-00-516-4228
NSN 6645-01-237-2568
NSN 5930-01-500-1799
NSN 5895-01-519-9373
NSN 5935-01-556-5898
NSN 6110-00-176-4404
NSN 6650-00-342-6447
NSN 5835-01-159-9088
NSN 5950-01-560-6721
NSN 6645-01-137-7974
NSN 5975-00-528-9774