The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-972-9296, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Electronic Transformer Corp Div Electronic Transformer Corporation. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-972-9296 |
| Primary Part Number | 205501 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Electronic Transformer Corp Div Electronic Transformer Corporation |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 1.938 INCHES MAXIMUM IN |
| Body Height | 2.500 INCHES MAXIMUM IN |
| Maximum Transformer Power Rating | 4.0 WATTS SINGLE COMPONENT |
| Mounting Hole Diameter | 0.156 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 3.2 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Body Length | 1.938 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 200.0 HERTZ MINIMUM AND 5.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 205501 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| Reference | Meaning |
|---|---|
| 58MA2 | 5/9 Secondary reference U.S. Government activity |
| 715-301-00 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5950-00-972-9296 is a Transformer,audio Frequency, manufactured by Electronic Transformer Corp Div Electronic Transformer Corporation, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-972-9296 has 1 manufacturer part number on file: 205501 (Electronic Transformer Corp Div Electronic Transformer Corporation).
Key specifications for 205501: Overall Height: 3.000 INCHES MAXIMUM IN; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 16 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5950-00-972-9296 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.