5950-00-858-8711 (B-220T113)
NSN 5950-00-858-8711 (NIIN 00-858-8711) 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 B-220T113 (Virginia Electronics Co Inc, CAGE 98473); also referenced as A441-18 (Virginia Electronics Co Inc).
Key specs: 10000 nominal single component single secondary impedance in ohms; 1 kHz maximum single component frequency; full characteristics table below. NIIN assigned January 1962; DEMIL A (none required); unit of issue EA (each), $282.58 gov standard price; export Schedule B 8548.90.0100.