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 4140-01-130-7858
NSN 6135-01-589-0333
NSN 6240-01-366-2948
NSN 6320-01-416-9357
NSN 5915-01-066-9860
NSN 6135-01-551-0562
NSN 6145-01-298-3151
NSN 6220-01-525-8097
NSN 6620-01-571-0900
NSN 5895-00-327-4173
NSN 5925-01-077-6316
NSN 6110-01-203-0572