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 5855-01-513-9601
NSN 6110-01-099-6893
NSN 6145-00-220-2687
NSN 6145-01-068-4138
NSN 6150-01-584-0721
NSN 5950-00-891-1672
NSN 5990-00-351-5479
NSN 6240-00-204-0459
NSN 5998-01-377-2497
NSN 2925-01-331-5039
NSN 6220-00-186-8565
NSN 5895-00-901-2186