4710-00-253-5653 (7M1635)
NSN 4710-00-253-5653 (NIIN 00-253-5653) is a metal tube assembly in Federal Supply Class 4710, Pipe, Tube And Rigid Tubing — a length of tubing, straight, or prebent to a predetermined angle, with added component(s) that forms an end connection on one or both ends. Manufacturer part number 7M1635 (Caterpillar Inc, CAGE 11083).
NIIN assigned July 1969; DEMIL A (none required); unit of issue EA (each); export Schedule B 8302.49.4500.