4710-00-737-4247 (6763978)
NSN 4710-00-737-4247 (NIIN 00-737-4247) is a metallic tube in Federal Supply Class 4710, Pipe, Tube And Rigid Tubing — a straight, hollow product, welded or seamless, of round, square, or any other cross section and continuous periphery. Manufacturer part number 6763978 (General Motors Corp, CAGE 24617); also referenced as 7374247 (U S Army Tank Automotive Command).
NIIN assigned January 1963; DEMIL A (none required).