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 6150-01-144-0774
NSN 6620-01-262-2365
NSN 2925-00-824-2186
NSN 4140-01-521-4316
NSN 5990-00-490-5250
NSN 5990-01-234-8646
NSN 5965-00-518-0958
NSN 5960-01-653-9441
NSN 2925-00-334-9524
NSN 5930-01-575-8947
NSN 5895-01-082-4065
NSN 6650-01-376-6965