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 6110-00-842-6731
NSN 6645-01-330-6028
NSN 5915-01-025-7171
NSN 4140-00-343-2121
NSN 2925-01-579-1010
NSN 6645-01-091-0009
NSN 6135-01-400-2947
NSN 6320-01-607-0347
NSN 6320-01-157-9076
NSN 5985-00-436-2640
NSN 6105-01-133-8460
NSN 6145-01-336-6678