The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-072-3978, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Precision Electronics, Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-072-3978 |
| Primary Part Number | PEI6407 |
| Item Name | Transformer,audio Frequency |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Precision Electronics, Inc |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 1.000 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Features Provided | COLOR CODED LEAD |
| Maximum Operating Temp | 130.0 CELSIUS DEGC |
| Body Length | 0.400 INCHES MAXIMUM IN |
| Winding Operating Current | 67.0 MICROAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 1.0 KILOHERTZ NOMINAL SINGLE COMPONENT |
| Test Data Document | 80063-SM-A-701779 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Terminal Type and Quantity | 5 WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PEI6407 | Precision Electronics, Inc (USA) |
| A8876 | Autodyne Manufacturing Co Inc (USA) |
| C10864 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| HY2811 | Hytronics Corp. (USA) |
| Reference | Meaning |
|---|---|
| TF1295 | 5/9 Secondary reference U.S. Government activity |
| SM-A-701779 | 3/2 Design control — primary reference U.S. Government activity |
| TF1295 | C/1 Advisory reference — outside the item-of-supply concept General Dynamics Mission Systems, Inc. Dba Gdms |
NSN 5950-01-072-3978 is a Transformer,audio Frequency, manufactured by Precision Electronics, Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-072-3978 has 4 manufacturer part numbers on file: PEI6407 (Precision Electronics, Inc), A8876 (Autodyne Manufacturing Co Inc), C10864 (Electronic Transformer Corp Div Electronic Transformer Corporation), HY2811 (Hytronics Corp.).
1 possible match (shared part number, not a government interchangeability claim): 6105-01-244-0184. Verify interchangeability with system specifications before substitution.
Key specifications for PEI6407: Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 1.000 INCHES MAXIMUM IN; Mounting Method: TERMINAL SINGLE GROUP; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 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.
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.