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 5895-01-656-1667
NSN 5925-00-140-6367
NSN 6135-01-111-1495
NSN 6240-01-381-5541
NSN 6240-01-561-2618
NSN 4140-01-037-7245
NSN 6685-01-223-8882
NSN 5990-01-038-5020
NSN 6650-00-869-5760
NSN 5999-01-045-5884
NSN 6610-01-188-8163
NSN 6135-01-168-2944