The Transformer,power, cataloged under National Stock Number 5950-01-042-0581, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rantec Power Systems Inc. Dba Rantec Power Systems. Government technical data includes 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5950-01-042-0581 |
| Primary Part Number | 109025-003 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Rantec Power Systems Inc. Dba Rantec Power Systems |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | PARTIALLY INCLOSED, HALF SHELL |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.438 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Power Rating | 253.0 WATTS SINGLE COMPONENT SINGLE PRIMARY |
| Input-Output Phase Relationship | THREE PHASE TO THREE PHASE SINGLE COMPONENT |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 1.700 INCHES MAXIMUM IN |
| Body Height | 1.485 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.148 INCHES MINIMUM AND 0.165 INCHES MAXIMUM SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT |
| Body Length | 3.630 INCHES MAXIMUM IN |
| Winding Operating Current | 0.1 AMPERES DC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Current | 0.1 AMPERES DC MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Current | 5.6 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Current | 5.6 AMPERES DC MAXIMUM SINGLE COMPONENT SECOND 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 MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 10.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 103.50 AC VOLTS NOMINAL AND 126.50 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Voltage | 15.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 15.50 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Terminal Type and Quantity | 15 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 |
|---|---|
| 109025-003 PRIMARY | Rantec Power Systems Inc. Dba Rantec Power Systems (USA) |
| Reference | Meaning |
|---|---|
| 109025-003 | 5/9 Secondary reference Rantec Microwave Systems, Inc. Dba Rantec Microwave Systems Inc |
NSN 5950-01-042-0581 is a Transformer,power, manufactured by Rantec Power Systems Inc. Dba Rantec Power Systems, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-042-0581 has 1 manufacturer part number on file: 109025-003 (Rantec Power Systems Inc. Dba Rantec Power Systems).
Key specifications for 109025-003: Overall Height: 1.500 INCHES MAXIMUM IN; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: PARTIALLY INCLOSED, HALF SHELL; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.438 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 23 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.