5950-00-978-6014 (1652122-1)
NSN 5950-00-978-6014 (NIIN 00-978-6014) is an audio frequency transformer in Federal Supply Class 5950, Coils And Transformers — a transformer which is designed so that part or all of its range of operating frequencies is 20 kilohertz (kilocycles) and below. Manufacturer part number 1652122-1 (Lockheed Martin Corporation, CAGE 56232); also referenced as MT11FB (Microtran Co Inc).
Key specs: 4000 nominal single component single primary impedance in ohms; 600 nominal single component single secondary impedance in ohms; full characteristics table below. NIIN assigned January 1962; DEMIL A (none required); unit of issue EA (each), $19.42 gov standard price; export Schedule B 8548.90.0100. Supersedes 5950-00-671-4632 (1969).