5306-01-059-6701 (MS21250-10050)
NSN 5306-01-059-6701 (NIIN 01-059-6701) is a shear bolt in Federal Supply Class 5306, Bolts — a high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications. Manufacturer part number MS21250-10050 (Sps Technologies, LLC, CAGE 06725); also referenced as VFK100G-10050 (Valley-Todeco, Inc.).
Key specs: 41 rockwell c nominal overall hardness; full characteristics table below. NIIN assigned April 1978; DEMIL A (none required).