4710-01-181-1053 (1N3799)
NSN 4710-01-181-1053 (NIIN 01-181-1053) 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 1N3799 (Caterpillar Inc, CAGE 11083); also referenced as 9Y1542 (Caterpillar Inc).
NIIN assigned June 1984; DEMIL A (none required); unit of issue AY (assembly), $11.54 gov standard price; export Schedule B 8302.49.4500.