The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-028-2547, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Autodyne Manufacturing Co Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-028-2547 |
| Primary Part Number | A7348 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Autodyne Manufacturing Co Inc |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | TERMINAL SINGLE GROUP |
| Body Width | 0.700 INCHES NOMINAL IN |
| Body Height | 0.700 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 960.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Maximum Operating Temp | 130.0 CELSIUS DEGC |
| Body Length | 0.840 INCHES NOMINAL IN |
| Winding Operating Current | 3.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 110.0 HERTZ NOMINAL SINGLE COMPONENT |
| Terminal Type and Quantity | 5 WIRE LEAD |
| 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 |
|---|---|
| A7348 | Autodyne Manufacturing Co Inc (USA) |
| 79111 | Hammond Mfg Co Ltd (CAN) |
| 934001 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| Reference | Meaning |
|---|---|
| SM-B-597526 | 3/2 Design control — primary reference U.S. Government activity |
| SM-B-597526 | 5/9 Secondary reference Hammond Mfg Co Ltd |
NSN 5950-01-028-2547 is a Transformer,audio Frequency, manufactured by Autodyne Manufacturing Co Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-028-2547 has 3 manufacturer part numbers on file: A7348 (Autodyne Manufacturing Co Inc), 79111 (Hammond Mfg Co Ltd), 934001 (Electronic Transformer Corp Div Electronic Transformer Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 5930-01-259-1794, 5955-01-334-7451, 3120-01-524-7320. Verify interchangeability with system specifications before substitution.
Key specifications for A7348: Inclosure Type: FULLY INCLOSED; Mounting Method: TERMINAL SINGLE GROUP; Body Width: 0.700 INCHES NOMINAL IN; Body Height: 0.700 INCHES NOMINAL IN. 12 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 5950-01-028-2547 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.