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 6135-01-056-4609
NSN 5920-01-443-3771
NSN 5975-01-542-5148
NSN 6150-01-486-5961
NSN 6320-00-674-1361
NSN 5945-00-156-0781
NSN 5996-01-426-3948
NSN 5915-01-290-3885
NSN 7035-01-411-6062
NSN 5999-01-450-8638
NSN 6610-01-289-2848
NSN 5930-01-452-4941