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 5855-01-161-8964
NSN 5855-01-207-8691
NSN 5915-00-052-2788
NSN 5910-01-532-8826
NSN 5895-01-273-1912
NSN 5905-01-119-4259
NSN 5905-01-177-5300
NSN 5975-01-378-7099
NSN 5905-01-473-4939
NSN 5925-01-046-3290
NSN 6240-01-528-1585
NSN 6105-01-287-3739