The Transformer,power, cataloged under National Stock Number 5950-00-201-7438, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-201-7438 |
| Primary Part Number | 70-4031 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Department of Defense Project Manager-Mobile Electric Power |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 2.880 INCHES MAXIMUM IN |
| Body Height | 3.250 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.250 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Body Length | 3.750 INCHES NOMINAL IN |
| Winding Operating Current | 1.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Current | 2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 55.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 4 SOLDER STUD |
| 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 |
|---|---|
| 70-4031 PRIMARY | Department of Defense Project Manager-Mobile Electric Power (USA) |
| 70-4031 | Afcon Products, Inc. (USA) |
| 732801 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| PEI 7891 | Precision Electronics, Inc (USA) |
| Reference | Meaning |
|---|---|
| 00000-4924 | C/1 Advisory reference — outside the item-of-supply concept Asrc Federal Facilities Logistics, Llc |
| 00000-4924 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-201-7438 is a Transformer,power, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-201-7438 has 4 manufacturer part numbers on file: 70-4031 (Department of Defense Project Manager-Mobile Electric Power), 70-4031 (Afcon Products, Inc.), 732801 (Electronic Transformer Corp Div Electronic Transformer Corporation), PEI 7891 (Precision Electronics, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5920-01-525-7172. Verify interchangeability with system specifications before substitution.
Key specifications for 70-4031: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 18 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.