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 6150-01-088-7643
NSN 6320-00-882-7061
NSN 5915-00-847-3345
NSN 6645-01-251-7887
NSN 6145-01-461-8062
NSN 5910-01-063-4357
NSN 5895-00-165-1289
NSN 5835-00-269-2232
NSN 5945-00-618-0199
NSN 5999-01-118-1256
NSN 5985-01-033-6399
NSN 4140-01-254-2739