5950-00-755-4163 (677-1287-000)
NSN 5950-00-755-4163 (NIIN 00-755-4163) 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 677-1287-000 (Rockwell Collins France, CAGE F5491); also referenced as C330 (Howell Instruments, Inc.); D0T20 (United Transformer Corp Sub Of Opt); 8182021-19 (Lockheed Martin Corporation); 1620 (Pico Electronics Inc), plus 7 more in the reference table below.
Key specs: 600 nominal single component single secondary impedance in ohms; 500 nominal single component single primary impedance in ohms; full characteristics table below. NIIN assigned January 1960; DEMIL A (none required); export Schedule B 8548.90.0100. Supersedes 5950-00-861-2701 (1969), 5950-00-690-5967 (1963), 5950-00-725-9936 (1971) and 3 more; related NSN 5950-01-104-7124.