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 5910-00-221-2328
NSN 6685-00-316-2601
NSN 7035-01-040-6373
NSN 5990-01-039-6284
NSN 5965-01-477-6665
NSN 5930-01-029-5218
NSN 6620-01-445-4295
NSN 5910-00-673-4076
NSN 6240-00-451-8587
NSN 6240-00-357-7976
NSN 5835-00-484-1529
NSN 6620-01-198-4468