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 6220-01-512-0144
NSN 6220-01-623-4741
NSN 5945-01-578-0924
NSN 6145-01-355-3727
NSN 6620-00-754-7494
NSN 4140-01-226-0637
NSN 7035-01-445-3563
NSN 6685-00-299-8496
NSN 5895-00-133-5163
NSN 5920-01-327-4797
NSN 5925-00-167-1213
NSN 5996-01-441-1594