The Transformer,power, cataloged under National Stock Number 5950-00-301-3734, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Magnetika Inc. Government technical data includes 25 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-301-3734 |
| Primary Part Number | WE2189 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Magnetika Inc |
| 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 | 2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | THREE PHASE TO THREE PHASE AND THREE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Height | 1.630 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.148 INCHES MINIMUM AND 0.165 INCHES MAXIMUM SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 7 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNALLY SHIELDED SINGLE COMPONENT |
| Maximum Operating Temp | 130.0 CELSIUS DEGC |
| Body Length | 3.630 INCHES MAXIMUM IN |
| Winding Operating Current | 3.0 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Current | 1.5 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Current | 0.5 AMPERES DC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Current | 2.1 AMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 184.00 AC VOLTS MINIMUM AND 216.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 21.50 AC VOLTS MINIMUM AND 24.50 AC VOLTS MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 21.50 AC VOLTS MINIMUM AND 24.50 AC VOLTS MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Voltage | 21.50 AC VOLTS MINIMUM AND 24.50 AC VOLTS MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 21.50 AC VOLTS MINIMUM AND 24.50 AC VOLTS MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Terminal Type and Quantity | 24 TAB, SOLDER LUG |
| 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 |
|---|---|
| WE2189 PRIMARY | Magnetika Inc (USA) |
| Reference | Meaning |
|---|---|
| WE2189 | 5/9 Secondary reference Wems Electronics Transformer Group |
| 20A2680-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| JB420P2 | 5/9 Secondary reference A.e.york, Llc |
| 420P2 | 5/9 Secondary reference A.e.york, Llc |
NSN 5950-00-301-3734 is a Transformer,power, manufactured by Magnetika Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-301-3734 has 1 manufacturer part number on file: WE2189 (Magnetika Inc).
Key specifications for WE2189: 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: 2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 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.
NSN 5950-00-301-3734 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.