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 5985-01-634-0635
NSN 5960-01-144-9183
NSN 5835-00-794-7500
NSN 5950-00-007-6010
NSN 5985-00-902-1494
NSN 6685-01-105-8999
NSN 6320-00-174-1362
NSN 6685-00-515-3485
NSN 5920-01-499-5701
NSN 5999-01-281-8193
NSN 5910-01-155-3788
NSN 5945-01-129-6110