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 6145-01-625-2550
NSN 5905-01-125-9314
NSN 6320-00-593-0379
NSN 5835-00-491-3834
NSN 6650-01-247-2002
NSN 5960-01-495-0859
NSN 6320-01-123-6814
NSN 5930-00-164-2713
NSN 7035-00-286-6221
NSN 6105-01-070-6648
NSN 5998-01-215-4955
NSN 5965-00-763-5538