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 4140-00-397-9252
NSN 6110-01-391-8871
NSN 6620-01-356-2374
NSN 6130-00-153-8327
NSN 5990-01-344-7778
NSN 6650-01-436-3478
NSN 6220-01-250-6450
NSN 6145-01-315-6397
NSN 2925-00-673-7743
NSN 5960-01-226-0342
NSN 5835-01-518-4300
NSN 5999-00-251-1474