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 6685-01-206-4226
NSN 6150-01-582-2241
NSN 5960-00-810-3958
NSN 5999-00-004-7846
NSN 6620-00-846-3287
NSN 5935-00-958-7025
NSN 6145-01-536-8208
NSN 5945-01-477-5531
NSN 5895-00-577-4078
NSN 4140-00-225-8586
NSN 6320-00-701-0437
NSN 5998-00-807-4486