4710-01-003-4255 (MILT8504)
NSN 4710-01-003-4255 (NIIN 01-003-4255) 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 MILT8504 (Military Specifications, CAGE 81349).
NIIN assigned April 1975; DEMIL A (none required).