6660-00-560-6088 (D63-2002-616)
6660-00-560-6088 is equivalent to manufacture part number ASK5320-599. It is a helical spring and is classified under Federal Supply Class 6660 (6660 - Meteorological Instruments), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 6660 - Meteorological Instruments and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.