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 6620-01-526-1478
NSN 5975-01-415-3331
NSN 7035-00-335-7283
NSN 5910-00-151-5361
NSN 2925-01-411-4666
NSN 5910-01-065-8243
NSN 6685-00-162-8077
NSN 5920-00-717-6839
NSN 6135-01-322-4655
NSN 5925-00-279-6769
NSN 5910-01-445-4678
NSN 5960-01-279-0985