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 5990-01-649-0635
NSN 4140-01-587-3998
NSN 5950-01-628-4312
NSN 6320-01-090-8296
NSN 4140-00-210-0552
NSN 5999-00-844-9166
NSN 7035-00-225-6499
NSN 5950-01-418-8419
NSN 6135-01-384-4395
NSN 6130-01-086-5355
NSN 5910-00-957-8585
NSN 6610-01-130-8885