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 4140-00-619-1534
NSN 6320-00-456-2092
NSN 6320-01-225-9963
NSN 5996-01-362-0550
NSN 6150-00-212-3975
NSN 5910-01-500-8329
NSN 5930-00-596-9276
NSN 5835-01-632-6627
NSN 6240-00-201-9011
NSN 6650-01-347-9651
NSN 6110-01-380-6769
NSN 6650-00-809-1817