The Transformer,power, cataloged under National Stock Number 5950-00-079-3491, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5950-00-079-3491 |
| Primary Part Number | 909C054-1 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | CORE AND THREADED STUD(S) SINGLE GROUP |
| Body Width | 0.719 INCHES NOMINAL IN |
| Body Height | 0.875 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.112 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 125.0 CELSIUS DEGC |
| Body Length | 0.719 INCHES NOMINAL IN |
| Winding Operating Current | 12.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Thread Quantity Per Inch | 40 SINGLE GROUP |
| Winding Operating Voltage | 48.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 270.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 5 WIRE LEAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| 909C054-1 | Westinghouse Electric Corp (USA) |
| 503/4/04411/001 | Eaton Limited (GBR) |
| 503-4-04411-001 | Leonardo Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 503-4-04411-001 | 5/9 Secondary reference British Aerospace Land & Sea Systems, Post Design Services |
| 909C054-1 | 5/9 Secondary reference U.S. Government activity |
| 909C054-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-00-079-3491 is a Transformer,power, manufactured by Westinghouse Electric Corp, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-079-3491 has 3 manufacturer part numbers on file: 909C054-1 (Westinghouse Electric Corp), 503/4/04411/001 (Eaton Limited), 503-4-04411-001 (Leonardo Uk Ltd).
Key specifications for 909C054-1: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: CORE AND THREADED STUD(S) SINGLE GROUP. 18 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.