AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Transformer Audio Frequency |
| Federal Supply Group (FSG) | Electrical and Electronic Equipment Components |
| Federal Supply Class (FSC) | 5950 Coils and Transformers |
| National Item Identification Number (NIIN) | 00-997-8957 (009978957) |
| NCB Code | USA (00) |
| Manufacturer | L 3 Communications Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARG | RELIABILITY INDICATOR | NOT ESTABLISHED |
| ABKW | OVERALL HEIGHT | 1.938 INCHES MINIMUM AND 2.125 INCHES MAXIMUM |
| ACYW | IMPEDANCE RATING IN OHMS | 200.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| ACYW | IMPEDANCE RATING IN OHMS | 5000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| ACZB | FREQUENCY RATING | 3.5 KILOHERTZ MINIMUM SINGLE COMPONENT AND 7.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| ACZF | MAXIMUM TRANSFORMER POWER RATING | 1.0 WATTS SINGLE COMPONENT |
| ACZH | PRIMARY TO SECONDARY TURN RATIO | 1 TO 2.06 SINGLE COMPONENT |
| ACZX | WINDING SHIELDING METHOD | INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| ADAQ | BODY LENGTH | 1.250 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |
| ADAT | BODY WIDTH | 1.250 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |
| ADAU | BODY HEIGHT | 1.625 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
| AEJN | DISTANCE BETWEEN MOUNTING FACILITY CENTERS | 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP |
| AKNA | INCLOSURE TYPE | FULLY INCLOSED |
| AKPV | MOUNTING FACILITY QUANTITY | 2 SINGLE GROUP |
| AXGY | MOUNTING METHOD | THREADED STUD SINGLE GROUP |
| BPLC | WINDING FUNCTION AND QUANTITY | 1 PRIMARY SINGLE COMPONENT AND 1 SECONDARY SINGLE COMPONENT |
| CMLP | THREAD QUANTITY PER INCH | 32 SINGLE GROUP |
| CQJX | NOMINAL THREAD SIZE | 0.138 INCHES SINGLE GROUP |
| THSD | THREAD SERIES DESIGNATOR | UNC SINGLE GROUP |
| TTQY | TERMINAL TYPE AND QUANTITY | 9 WIRE HOOK |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TF4RX21AH TYPE |
| Relevant Components for NSN - 5950-00-997-8957, 5950009978957 | ||||
| 5930-01-024-7616 (5930010247616) | 5935-01-207-1630 (5935012071630) | 5930-00-522-3346 (5930005223346) | 5985-01-615-6045 (5985016156045) | |
| 5910-00-805-1017 (5910008051017) | 5962-01-297-8133 (5962012978133) | 5935-01-108-9409 (5935011089409) | 5910-01-082-8261 (5910010828261) | |
| 5930-01-681-7491 (5930016817491) | 5930-01-322-8532 (5930013228532) | 5935-00-755-3452 (5935007553452) | 5985-01-676-2667 (5985016762667) | |
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