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 5915-01-057-5029
NSN 4140-01-660-3404
NSN 6240-01-500-2152
NSN 5990-00-232-3965
NSN 6610-00-224-1284
NSN 5910-00-066-2296
NSN 5945-01-559-2136
NSN 5975-00-850-4622
NSN 6145-01-541-8595
NSN 4140-00-846-3423
NSN 5965-01-317-5020
NSN 5960-00-222-6174