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 5999-01-505-0074
NSN 5935-01-387-0427
NSN 5945-00-444-5902
NSN 2925-00-719-9611
NSN 5905-01-483-7988
NSN 5985-01-496-9633
NSN 5930-01-122-7595
NSN 6105-01-492-6227
NSN 5855-01-112-7725
NSN 5996-00-566-3861
NSN 5855-00-237-4088
NSN 5945-01-121-3088