4730-01-237-3346 (9147Y079)
NSN 4730-01-237-3346 (NIIN 01-237-3346) is a tube fitting locknut in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, And Railing Fittings — an item with internal machine threads designed to fit the external machine threads of a tube fitting. Manufacturer part number 9147Y079 (Honeywell Aerospace Yeovil, CAGE U1605); also referenced as 17-020, 18-103, 550-019 (Kirby Morgan Dive Systems Inc); DP5840 (Ministry Of Defence, De&S Underwater).
NIIN assigned July 1986; DEMIL A (none required); unit of issue EA (each), $11.02 gov standard price; ships at 0.6 lb / 0.0104 cu ft.