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 6135-01-391-8539
NSN 4140-01-609-8360
NSN 5985-00-146-6902
NSN 5990-01-647-8574
NSN 5925-01-357-9402
NSN 5965-00-035-4556
NSN 5990-01-068-1651
NSN 5930-01-561-7434
NSN 4140-01-399-8527
NSN 5925-00-067-3814
NSN 5910-00-797-8726
NSN 6320-00-583-3104