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 plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 5895-01-329-6881
NSN 5990-01-116-2181
NSN 6145-00-399-5200
NSN 5965-00-983-1815
NSN 5930-00-452-1316
NSN 5910-01-430-3948
NSN 5996-01-420-5756
NSN 5910-01-091-2296
NSN 2925-01-261-0701
NSN 6650-01-086-1270
NSN 6145-01-053-2969
NSN 5975-01-425-8478