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 5996-01-398-3516
NSN 6685-01-142-6219
NSN 6240-00-725-9923
NSN 6620-01-580-0883
NSN 5855-01-435-5548
NSN 5985-01-619-2251
NSN 6145-00-450-6285
NSN 5996-01-192-5594
NSN 5910-01-593-9114
NSN 5920-01-204-0449
NSN 4140-01-371-0327
NSN 5925-01-398-1856