The Transformer,power, cataloged under National Stock Number 5950-01-115-1575, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Magnespec Inc. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5950-01-115-1575 |
| Primary Part Number | U3-53214 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Magnespec Inc |
| Status | ACTIVE |
| Transformer Winding Connection Type | WYE-WYE |
| Mounting Facility Quantity | 6 SINGLE GROUP |
| Inclosure Type | OPEN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SIX PHASE TO THREE PHASE SINGLE COMPONENT |
| Mounting Method | BRACKET(S) AND THREADED HOLE(S) SINGLE GROUP |
| Body Width | 4.730 INCHES NOMINAL IN |
| Body Height | 3.800 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT |
| Nominal Thread Size | 0.190 INCHES SINGLE GROUP IN |
| Body Length | 5.187 INCHES MAXIMUM IN |
| Winding Operating Current | 1.4 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Current | 1.6 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Current | 25.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Current | 25.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 56.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Winding Operating Voltage | 14.20 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 17.70 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Voltage | 17.70 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 35.70 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 66.40 AC VOLTS NOMINAL AND 115.50 AC VOLTS NOMINAL AND 132.80 AC VOLTS NOMINAL AND 160.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 1 QUICK DISCONNECT, FEMALE AND 1 TERMINAL BLOCK W/SCREWS |
| 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 |
|---|---|
| U3-53214 PRIMARY | Magnespec Inc (USA) |
| Reference | Meaning |
|---|---|
| U3-53214 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5950-01-115-1575 is a Transformer,power, manufactured by Magnespec Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-115-1575 has 1 manufacturer part number on file: U3-53214 (Magnespec Inc).
Key specifications for U3-53214: Transformer Winding Connection Type: WYE-WYE; Mounting Facility Quantity: 6 SINGLE GROUP; Inclosure Type: OPEN; Center to Center Distance Between Mounting Facilities Parallel to Length: 4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 27 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.