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 6135-01-341-5324
NSN 5945-01-135-8681
NSN 5930-01-044-7561
NSN 4140-01-249-7948
NSN 6650-01-154-1870
NSN 5910-01-416-0348
NSN 6645-01-142-1707
NSN 5835-00-936-8753
NSN 6240-01-381-1072
NSN 5999-00-057-9180
NSN 5855-00-433-2377
NSN 5855-01-511-4046