The Transformer,power, cataloged under National Stock Number 5950-00-339-4231, 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 16 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-339-4231 |
| Primary Part Number | 51J316PC3A |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | PARTIALLY INCLOSED, DOUBLE SHELL |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 4.562 INCHES NOMINAL IN |
| Body Height | 4.250 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.219 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 2.625 INCHES MINIMUM AND 3.312 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 3.125 INCHES NOMINAL IN |
| Winding Operating Current | 780.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Winding Operating Voltage | 450.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 160.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 4 WIRE LEAD |
| 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 |
|---|---|
| 51J316PC3A | Westinghouse Electric Corp (USA) |
| 1JH64PC3A | Westinghouse Electric Corp (USA) |
| S1343935 | Westinghouse Electric Corp (USA) |
| 45J485PC3A | Westinghouse Electric Corp (USA) |
| 45J538PC4A | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| S1343935 | 3/9 Design control — primary reference Westinghouse Electric Corp Power Generation-Generator Div |
| S6202H3117983PC3A | 5/2 Secondary reference U.S. Government activity |
| S6202H3122459PC3A | 5/2 Secondary reference U.S. Government activity |
| S1343935 | C/1 Advisory reference — outside the item-of-supply concept Westinghouse Electric Corp Control Business Unit |
| 97023S6202-2360PC3A | 5/2 Secondary reference U.S. Government activity |
| 45J538PC4A | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 45J485PC3A | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 1JH64PC3A | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 45J485PC3 | 5/9 Secondary reference Westinghouse Electric Corp Control Business Unit |
| 51J316PC3A | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 97023S6202-2363PC4A | 5/2 Secondary reference U.S. Government activity |
NSN 5950-00-339-4231 is a Transformer,power, manufactured by Westinghouse Electric Corp, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-339-4231 has 5 manufacturer part numbers on file: 51J316PC3A (Westinghouse Electric Corp), 1JH64PC3A (Westinghouse Electric Corp), S1343935 (Westinghouse Electric Corp), 45J485PC3A (Westinghouse Electric Corp), 45J538PC4A (Westinghouse Electric Corp).
Key specifications for 51J316PC3A: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: PARTIALLY INCLOSED, DOUBLE SHELL; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP. 16 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.