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: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 5935-01-627-3420
NSN 6620-01-486-2555
NSN 5835-01-390-0880
NSN 5975-00-246-4906
NSN 6135-00-078-9931
NSN 5895-01-568-8724
NSN 6145-00-216-6613
NSN 6620-01-115-2926
NSN 6620-01-524-0354
NSN 5835-01-071-1003
NSN 5998-01-482-9784
NSN 5925-00-918-5531