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 5920-01-040-7718
NSN 6610-01-015-9172
NSN 6150-01-387-7866
NSN 6220-01-660-7816
NSN 6110-00-717-5860
NSN 6645-00-348-2841
NSN 5960-01-632-6576
NSN 5895-00-998-8855
NSN 6220-01-586-4669
NSN 5895-00-961-0031
NSN 5999-01-408-6213
NSN 4140-01-608-4315