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 6620-01-146-4680
NSN 5855-01-250-2421
NSN 5835-01-242-9806
NSN 5998-00-651-6212
NSN 6610-00-345-3440
NSN 6320-01-029-4220
NSN 6150-01-267-6970
NSN 5996-01-371-5617
NSN 5855-01-131-9336
NSN 5999-00-821-3886
NSN 6135-00-182-7008
NSN 5999-01-371-2185