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 6150-00-333-5666
NSN 4140-01-598-7578
NSN 6220-01-195-5280
NSN 6105-01-653-6829
NSN 5960-01-137-0053
NSN 5855-00-491-7079
NSN 6610-01-432-9964
NSN 6645-01-448-2726
NSN 6610-01-022-8669
NSN 6135-01-508-6083
NSN 5895-01-251-1505
NSN 5920-01-074-6280