4710-00-137-2019 (4710001372019)
NSN 4710-00-137-2019 (NIIN 00-137-2019) is a metallic bent tube in Federal Supply Class 4710, Pipe, Tube And Rigid Tubing — a bent hollow item, welded or seamless. Manufacturer part number 4710001372019 (E.C.A Etablissement Central Des, CAGE A00AM); also referenced as 11621138 (U S Army Tank Automotive Command); 2847-H-788 (Rockwell Standard Axle Co).
NIIN assigned July 1971; DEMIL A (none required); unit of issue EA (each), $3.04 gov standard price; ships at 0.25 lb / 0.0138 cu ft.