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 6650-01-169-5247
NSN 6130-01-172-4609
NSN 6650-01-529-6721
NSN 5965-00-083-8157
NSN 6150-01-328-6757
NSN 5990-01-449-7090
NSN 5855-01-379-9978
NSN 5910-01-534-7699
NSN 5950-00-722-7000
NSN 5996-00-403-3753
NSN 2925-00-041-0439
NSN 5915-01-460-4392