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 5998-01-532-1716
NSN 5855-00-237-4088
NSN 6145-00-983-8872
NSN 5925-00-882-7510
NSN 6150-01-186-6634
NSN 5895-01-102-8303
NSN 4140-01-360-5134
NSN 6610-01-545-0766
NSN 5990-01-147-5225
NSN 6645-00-892-1605
NSN 2925-01-535-7235
NSN 7035-01-570-3831