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 6320-01-538-6737
NSN 5915-01-261-2236
NSN 5975-01-027-4079
NSN 6645-00-435-5610
NSN 5999-01-609-6372
NSN 5920-01-117-5053
NSN 5960-01-438-9836
NSN 5930-00-034-1298
NSN 6645-00-439-4087
NSN 5945-01-540-5489
NSN 6610-00-374-1563
NSN 5950-01-268-3262