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 5990-00-407-4473
NSN 5855-01-007-9541
NSN 6130-00-451-0713
NSN 5950-01-023-0805
NSN 2925-01-448-2880
NSN 5895-01-604-2345
NSN 5935-01-025-0926
NSN 7035-00-312-3055
NSN 5998-01-626-0055
NSN 5990-00-893-0957
NSN 6135-01-407-0594
NSN 5960-00-636-4834