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 5905-01-235-5512
NSN 5835-01-143-9143
NSN 6645-01-428-3576
NSN 4140-01-350-4475
NSN 5935-01-398-3295
NSN 6105-01-008-7896
NSN 5975-00-503-4697
NSN 6150-01-631-7604
NSN 5998-01-004-7549
NSN 5945-01-167-8498
NSN 6110-01-555-8410
NSN 5975-01-263-3845