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 6150-00-526-3720
NSN 6105-00-862-4951
NSN 6145-01-038-9725
NSN 6150-01-583-2150
NSN 6645-01-573-2536
NSN 6240-01-218-3828
NSN 5990-00-246-2184
NSN 6110-00-153-0936
NSN 6320-01-449-1014
NSN 6135-00-896-3187
NSN 7035-00-295-0451
NSN 5990-00-252-1702