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 5950-01-013-9013
NSN 4140-01-609-7987
NSN 6150-01-626-5208
NSN 5935-01-008-1162
NSN 5996-01-063-6556
NSN 5950-00-204-4685
NSN 6320-01-652-3806
NSN 5998-01-318-6035
NSN 5965-01-222-1420
NSN 5998-01-333-0243
NSN 5935-00-794-6610
NSN 5985-01-370-1525