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 6645-01-371-6856
NSN 7035-00-470-4977
NSN 5985-00-183-7713
NSN 5960-01-307-2674
NSN 5855-01-409-1792
NSN 5965-01-205-6249
NSN 5990-00-932-3070
NSN 6320-00-242-3300
NSN 6145-01-355-3065
NSN 6620-01-359-0476
NSN 5930-00-432-6047
NSN 5855-00-089-3974