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: Other articles of iron or steel not wire nesoi
NSN 5960-01-493-3948
NSN 6645-00-171-9251
NSN 5999-00-243-9820
NSN 4140-00-459-1564
NSN 6145-01-046-3446
NSN 6150-00-727-3774
NSN 5915-00-338-8610
NSN 7035-01-513-0143
NSN 6130-00-643-4894
NSN 5910-00-972-7344
NSN 6145-01-224-7655
NSN 5960-01-323-6432