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 5998-01-565-0078
NSN 5998-01-428-2999
NSN 4140-01-618-0996
NSN 6110-01-543-7249
NSN 5895-01-290-5259
NSN 5935-00-073-9197
NSN 5910-01-407-0629
NSN 6130-01-090-0631
NSN 5945-01-428-9943
NSN 5855-00-221-9435
NSN 5915-01-159-0811
NSN 4140-01-431-6543