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 6650-00-482-2019
NSN 5999-00-436-6403
NSN 5855-00-821-7512
NSN 5990-00-518-0684
NSN 6645-01-016-7706
NSN 5965-00-449-6974
NSN 5960-01-056-4982
NSN 5960-01-346-6002
NSN 5895-01-116-6498
NSN 5950-00-825-8179
NSN 5915-00-300-3853
NSN 6150-00-117-2533