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 6150-00-227-8983
NSN 6240-01-568-6745
NSN 7035-01-201-7152
NSN 5985-00-113-5058
NSN 5895-01-204-7658
NSN 5925-00-126-6660
NSN 5950-01-537-6320
NSN 6610-01-194-5384
NSN 5945-00-233-9891
NSN 5915-00-228-7033
NSN 5985-00-452-2228
NSN 6620-01-306-1347