1440-01-039-8765 (990522-5)
1440-01-039-8765 is equivalent to manufacture part number 990522-5. It is a piston ring adapter and is classified under Federal Supply Class 1440 (1440 - Launchers, Guided Missile), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 1440 - Launchers, Guided Missile and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.