4730-00-717-2297 (7M2-4-3)
NSN 4730-00-717-2297 (NIIN 00-717-2297) is a tube reducer in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, And Railing Fittings — a straight tube fitting having a different size connection on each end. Manufacturer part number 7M2-4-3 (The Boeing Company, CAGE 76301); also referenced as 7M2 (The Boeing Company).
NIIN assigned February 1968; DEMIL A (none required); export Schedule B 7307.99.2000.