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 6650-01-537-2624
NSN 6130-00-276-0658
NSN 6610-01-069-1156
NSN 5950-01-235-3251
NSN 5950-00-998-5253
NSN 5965-00-378-3403
NSN 4140-01-548-2496
NSN 5895-00-681-9874
NSN 5990-01-571-7468
NSN 5960-01-632-6576
NSN 5935-01-551-0789
NSN 5999-01-502-8775