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 5920-00-416-5999
NSN 5998-00-133-4648
NSN 5990-01-502-8209
NSN 5996-01-016-1472
NSN 5996-01-452-0402
NSN 6135-01-054-2462
NSN 4140-00-536-4052
NSN 5965-01-176-3227
NSN 5895-01-414-6699
NSN 5996-01-612-6511
NSN 2925-00-024-6392
NSN 5960-01-567-1096