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: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 5960-01-658-9538
NSN 6240-01-373-4530
NSN 5999-01-442-3648
NSN 6240-00-024-5086
NSN 6150-00-677-3176
NSN 6610-01-540-5424
NSN 6620-01-633-8443
NSN 2925-01-285-7163
NSN 5935-00-078-9992
NSN 5915-01-030-7748
NSN 5925-01-015-7873
NSN 5960-01-412-0619