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 6610-01-005-9173
NSN 5965-01-141-6485
NSN 6620-01-253-0374
NSN 5920-01-463-9143
NSN 5996-01-212-3066
NSN 5895-01-634-0630
NSN 5855-00-962-5792
NSN 2925-01-528-7333
NSN 5855-01-434-2825
NSN 6240-00-084-0176
NSN 5945-00-780-0698
NSN 5996-00-358-6257