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 6130-01-501-1221
NSN 5855-01-653-8739
NSN 5925-01-501-7437
NSN 5999-01-374-3008
NSN 6685-01-446-8855
NSN 6105-01-290-9373
NSN 5930-00-083-0495
NSN 5920-01-370-0881
NSN 6620-00-246-5159
NSN 7035-01-037-1744
NSN 5910-00-704-6882
NSN 6110-00-309-2898