6930-01-059-8913 (C74451Z1025U152)
NSN 6930-01-059-8913 (NIIN 01-059-8913) is a fault board kit in Federal Supply Class 6930, Operation Training Devices. Manufacturer part number C74451Z1025U152 (Siemens Energy Global Gmbh & Co. Kg, CAGE D1149); also referenced as 83457801 (Magnetic Peripherals IncNormandale).
NIIN assigned May 1978; DEMIL B (USML, demil required); ESD/EMI-sensitive.