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: Other articles of iron or steel not wire nesoi
NSN 5905-01-390-7728
NSN 5999-01-016-3039
NSN 5950-00-527-6896
NSN 6320-00-336-5570
NSN 5895-00-422-2483
NSN 6145-01-090-7258
NSN 5855-01-145-4903
NSN 5945-01-634-0588
NSN 5935-01-203-3311
NSN 6610-01-202-7404
NSN 6645-01-400-1137
NSN 5950-00-440-9093