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 5975-01-418-0376
NSN 5920-01-189-0115
NSN 4140-01-472-2768
NSN 5855-01-020-7982
NSN 5985-01-656-1227
NSN 6320-01-449-1014
NSN 6240-00-224-8460
NSN 5925-00-114-2253
NSN 6620-01-655-7664
NSN 5998-01-439-8773
NSN 5930-01-025-5540
NSN 5945-01-547-0678