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 4140-01-124-0623
NSN 6650-00-150-1761
NSN 5925-00-217-6381
NSN 5990-00-736-8778
NSN 5920-01-624-0621
NSN 6650-01-579-3855
NSN 6110-00-935-5351
NSN 6145-01-054-7463
NSN 5985-00-868-8769
NSN 5925-00-966-7171
NSN 6150-01-527-6226
NSN 6105-01-425-4509