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: Articles of aluminum nesoi
NSN 6320-01-268-3072
NSN 5915-01-087-8923
NSN 6150-01-035-6513
NSN 5950-01-344-8149
NSN 6150-00-466-2365
NSN 4140-00-942-7159
NSN 5935-00-246-2051
NSN 5945-01-346-2982
NSN 6685-01-309-5335
NSN 5835-00-170-5238
NSN 5915-00-886-4036
NSN 5990-01-195-3693