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 5905-01-515-2238
NSN 6220-01-537-0985
NSN 6130-01-238-6948
NSN 5960-00-807-0273
NSN 6145-01-145-4037
NSN 5975-00-940-0473
NSN 6150-00-128-5992
NSN 5910-01-031-4855
NSN 5999-01-295-5053
NSN 5975-01-414-5326
NSN 5960-01-267-6139
NSN 5895-01-474-4618