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: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 5999-01-474-2777
NSN 5996-01-195-4122
NSN 6145-00-764-4338
NSN 5920-01-423-0805
NSN 6620-01-306-1347
NSN 6620-00-269-8950
NSN 5935-01-384-3750
NSN 5930-00-618-2433
NSN 6220-01-011-8989
NSN 6610-01-250-2811
NSN 2925-01-633-4048
NSN 5905-01-557-2981