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 6320-01-366-5157
NSN 5920-01-512-0713
NSN 6150-01-303-5852
NSN 5930-01-188-4863
NSN 6645-01-509-3221
NSN 5925-00-405-1294
NSN 5905-01-420-9764
NSN 5925-01-488-6619
NSN 5935-01-295-9539
NSN 5965-01-366-0598
NSN 5990-01-004-6343
NSN 6220-01-411-6919