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 6135-01-046-6803
NSN 6220-00-654-7362
NSN 6150-00-110-6946
NSN 6240-01-324-0323
NSN 5985-01-399-6791
NSN 5996-01-111-4145
NSN 5835-00-302-5296
NSN 6135-01-140-8201
NSN 5998-01-509-0599
NSN 5960-00-781-4084
NSN 5855-00-361-0167
NSN 5996-01-644-5405