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 6610-00-628-4053
NSN 2925-00-526-4541
NSN 6240-00-881-9624
NSN 5910-01-104-5004
NSN 5999-01-003-8461
NSN 5895-00-238-3684
NSN 5910-01-251-4854
NSN 5945-00-532-1981
NSN 6685-01-182-8847
NSN 5915-01-445-8702
NSN 5998-01-246-3657
NSN 6645-01-319-0006