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 5910-01-377-5279
NSN 5855-01-477-5332
NSN 6620-01-369-5876
NSN 6320-01-279-0343
NSN 5910-01-559-6638
NSN 6145-01-160-7658
NSN 5935-01-501-0096
NSN 6620-01-261-2985
NSN 5975-01-161-4660
NSN 5975-01-415-4283
NSN 5965-01-142-7862
NSN 7035-00-585-2113