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 5920-01-543-1729
NSN 6145-01-044-5278
NSN 5965-00-829-6884
NSN 5930-01-435-4608
NSN 4140-01-118-6848
NSN 5990-00-140-4559
NSN 5905-00-200-1402
NSN 6150-00-659-6895
NSN 5920-01-418-1821
NSN 6135-01-396-0704
NSN 5925-01-206-1186
NSN 5999-01-229-3993