4710-01-199-2973 (1213E1665)
NSN 4710-01-199-2973 (NIIN 01-199-2973) 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 1213E1665; also referenced as 1213E1665 FIND 50, 1214D1309 (Lockheed Martin Corporation).
NIIN assigned January 1985; DEMIL A (none required); unit of issue AY (assembly), $740.13 gov standard price; export Schedule B 8302.49.4500.