4730-01-373-2698 (DMD10023V121010)
NSN 4730-01-373-2698 (NIIN 01-373-2698) is a tube tee in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, And Railing Fittings — a fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. Manufacturer part number DMD10023V121010 (Designed Metal Connections Inc, CAGE 14798); also referenced as 7D0099, 7D0099T121010 (The Boeing Company).
Key specs: 4000 psi maximum single response operating pressure; full characteristics table below. NIIN assigned March 1993; DEMIL Q (Commerce Control List); unit of issue EA (each), $3,439.65 gov standard price; export Schedule B 8108.90.8000.