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 5935-01-386-2931
NSN 6135-00-299-6918
NSN 6610-00-872-5795
NSN 5990-01-254-2936
NSN 5950-00-051-8296
NSN 6145-00-538-9885
NSN 5945-01-501-8715
NSN 6320-01-583-6809
NSN 7035-00-523-7492
NSN 6220-01-436-0429
NSN 6150-01-430-7207
NSN 5910-00-774-8137