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 6685-01-387-2944
NSN 5945-00-126-6766
NSN 6130-01-175-3531
NSN 6150-00-086-4279
NSN 5975-01-384-4446
NSN 5965-00-387-6880
NSN 5895-00-403-1938
NSN 6240-00-933-7641
NSN 5998-00-116-7434
NSN 5910-01-010-9961
NSN 2925-01-226-6126
NSN 5965-01-127-0389