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 6620-01-195-7817
NSN 5996-01-131-2765
NSN 5990-01-458-2531
NSN 6620-00-171-4035
NSN 5915-01-056-7411
NSN 5960-01-336-5459
NSN 5998-01-545-3274
NSN 6650-01-648-1864
NSN 5915-01-342-8972
NSN 5905-01-024-9572
NSN 5905-00-251-2334
NSN 5905-01-390-7743