5950-00-645-7810 (NT8156)
NSN 5950-00-645-7810 (NIIN 00-645-7810) 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 NT8156 (Bogen Communications Inc, CAGE 07843); also referenced as 24272 (Freed Transformer Co).
Key specs: 245 nominal single component first secondary impedance in ohms; 8000 nominal single component single primary impedance in ohms; full characteristics table below. NIIN assigned January 1961; DEMIL A (none required); unit of issue EA (each), $41.90 gov standard price; export Schedule B 8548.90.0100.