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 6220-01-322-2804
NSN 5945-00-115-3594
NSN 4140-00-824-3285
NSN 5960-00-458-4910
NSN 6240-00-061-0316
NSN 6685-01-426-8929
NSN 5925-00-180-3248
NSN 5960-01-192-0268
NSN 5999-00-083-9055
NSN 5895-01-020-3685
NSN 6130-01-628-4722
NSN 5925-00-708-1605