The Transformer,power, cataloged under National Stock Number 5950-01-019-3774, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Payne Magnetics, Inc.. Government technical data includes 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-019-3774 |
| Primary Part Number | E344 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Payne Magnetics, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Overall Diameter | 3.120 INCHES MAXIMUM IN |
| Winding Power Rating | 118.6 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY |
| Winding Power Rating | 202.0 VOLTS-AMPERES SINGLE COMPONENT FOURTH SECONDARY |
| Winding Power Rating | 3.35 VOLTS-AMPERES SINGLE COMPONENT THIRD SECONDARY |
| Winding Power Rating | 300.65 VOLTS-AMPERES SINGLE COMPONENT FIRST SECONDARY |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Winding Function and Quantity | 1 PRIMARY AND 6 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.190 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 130.0 CELSIUS DEGC |
| Winding Operating Current | 0.5 AMPERES AC NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Current | 0.5 AMPERES AC NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Current | 10.0 AMPERES AC NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Current | 3.5 AMPERES AC NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 4.8 KILOHERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 20.20 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Voltage | 59.30 AC VOLTS NOMINAL AND 177.90 AC VOLTS NOMINAL AND 237.20 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 6.70 AC VOLTS NOMINAL AND 79.20 AC VOLTS NOMINAL AND 85.90 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 6.70 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 85.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 25 TURRET |
| Thread Series Designator | UNF SINGLE GROUP |
| 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 |
|---|---|
| E344 | Payne Magnetics, Inc. (USA) |
| WE2938 | Magnetika Inc (USA) |
| 17051 | Robert M. Hadley Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| WE2938 | 5/9 Secondary reference Wems Electronics Transformer Group |
| 984729-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-01-019-3774 is a Transformer,power, manufactured by Payne Magnetics, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-019-3774 has 3 manufacturer part numbers on file: E344 (Payne Magnetics, Inc.), WE2938 (Magnetika Inc), 17051 (Robert M. Hadley Company, Inc.).
8 possible matches (shared part number, not a government interchangeability claim): 4820-01-221-8911, 5935-01-230-2902, 5315-01-293-7843. Verify interchangeability with system specifications before substitution.
Key specifications for E344: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Overall Diameter: 3.120 INCHES MAXIMUM IN; Winding Power Rating: 118.6 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY. 25 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.