4730-01-523-4792 (160K0311-1)
NSN 4730-01-523-4792 (NIIN 01-523-4792) is a pipe reducer in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, And Railing Fittings — a straight pipe fitting having a different size connection on each end. Manufacturer part number 160K0311-1 (Hdt Expeditionary Systems Inc, CAGE 92878); also referenced as 160K0697 ITEM 3 (Keco Industries, Inc.).
Key specs: 400 psi maximum single response operating pressure; full characteristics table below. NIIN assigned September 2004; DEMIL A (none required); ESD/EMI-sensitive; unit of issue EA (each), $13.27 gov standard price; export Schedule B 7412.20.0000.