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 5905-01-355-2411
NSN 5975-00-127-1321
NSN 6240-01-275-4535
NSN 6110-01-142-3853
NSN 6620-01-281-6386
NSN 6220-01-037-2146
NSN 5915-00-389-1126
NSN 6105-01-478-3111
NSN 6320-01-631-7828
NSN 5855-01-482-0440
NSN 5855-01-330-3669
NSN 5915-01-551-2175