6660-00-895-1142 (9A0309-2)
6660-00-895-1142 is equivalent to manufacture part number 9A0309-2. It is a backup 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.