4010-01-413-5017 (BBB)
NSN 4010-01-413-5017 (NIIN 01-413-5017) is a welded chain in Federal Supply Class 4010, Chain And Wire Rope — a series of like size welded metal links interconnected to form a flexible continuation of the links. Manufacturer part number BBB; also referenced as BBB 125X1/4INCH (The Boeing Company).
NIIN assigned May 1995; DEMIL A (none required); ESD/EMI-sensitive.