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 2925-01-072-7101
NSN 6650-01-242-8922
NSN 5990-01-037-9801
NSN 5920-00-715-2541
NSN 6320-00-336-9123
NSN 5950-01-627-0537
NSN 5920-00-846-6632
NSN 5960-01-314-1822
NSN 5905-01-157-9933
NSN 6105-01-243-0371
NSN 5960-01-271-0928
NSN 5996-00-044-3254