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 6645-01-086-7668
NSN 5915-00-495-8414
NSN 5965-01-574-8270
NSN 5975-00-636-4910
NSN 5975-01-144-8131
NSN 5920-01-156-4241
NSN 5945-01-465-0138
NSN 5996-00-103-7124
NSN 5975-00-580-0434
NSN 5920-01-592-9983
NSN 5999-01-596-4046
NSN 5855-00-548-4742