The Transformer,power, cataloged under National Stock Number 5950-01-163-8672, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-163-8672 |
| Primary Part Number | 3155978 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Transformer Winding Connection Type | DELTA-DELTA |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Power Rating | 17.28 VOLTS-AMPERES SINGLE COMPONENT FIRST SECONDARY |
| Winding Power Rating | 17.28 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY |
| Winding Power Rating | 5.985 VOLTS-AMPERES SINGLE COMPONENT FOURTH SECONDARY |
| Winding Power Rating | 5.985 VOLTS-AMPERES SINGLE COMPONENT THIRD SECONDARY |
| Input-Output Phase Relationship | THREE PHASE TO THREE PHASE SINGLE COMPONENT |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Mounting Hole Diameter | 0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT |
| Winding Operating Current | 350.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Current | 350.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Current | 800.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Current | 800.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 107.35 AC VOLTS MINIMUM AND 118.65 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 16.76 AC VOLTS MINIMUM AND 17.44 AC VOLTS MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Voltage | 16.76 AC VOLTS MINIMUM AND 17.44 AC VOLTS MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 21.17 AC VOLTS MINIMUM AND 22.03 AC VOLTS MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 21.17 AC VOLTS MINIMUM AND 22.03 AC VOLTS MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Terminal Type and Quantity | 15 SOLDER STUD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| C13437 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| 3155978 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| RX440 | 5/9 Secondary reference Ems Development Corporation Dba Ems Development Corp |
| 03000287 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 3155978 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-01-163-8672 is a Transformer,power, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-163-8672 has 2 manufacturer part numbers on file: C13437 (Electronic Transformer Corp Div Electronic Transformer Corporation), 3155978 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 3155978: Overall Height: 2.750 INCHES MAXIMUM IN; Transformer Winding Connection Type: DELTA-DELTA; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED. 26 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 5950-01-163-8672 has DEMIL Code Q. 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.