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 5905-01-444-1134
NSN 6135-01-608-3470
NSN 5920-00-311-3953
NSN 6130-00-852-6379
NSN 5920-01-227-1877
NSN 5935-00-258-3776
NSN 5945-01-314-8043
NSN 5965-01-124-1817
NSN 5960-01-074-2557
NSN 5925-01-415-0261
NSN 5905-01-254-2741
NSN 6135-00-299-6918