The Transformer,power, cataloged under National Stock Number 5950-01-032-7879, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ge Aviation Systems Llc. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-032-7879 |
| Primary Part Number | 156859-01 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.240 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 | 1.020 INCHES NOMINAL IN |
| Body Height | 1.410 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.126 INCHES MINIMUM AND 0.133 INCHES MAXIMUM SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT |
| Body Length | 1.640 INCHES NOMINAL IN |
| Winding Operating Current | 30.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Current | 1.75 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Current | 1.13 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 30.0 KILOHERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.740 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 55.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 17.20 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 18.90 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 20.50 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Terminal Type and Quantity | 11 TAB, SOLDER LUG |
| 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 |
|---|---|
| 156859-01 PRIMARY | Ge Aviation Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 156859-01 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-01-032-7879 is a Transformer,power, manufactured by Ge Aviation Systems Llc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-032-7879 has 1 manufacturer part number on file: 156859-01 (Ge Aviation Systems Llc).
Key specifications for 156859-01: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.240 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 21 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.