The Transformer,power, cataloged under National Stock Number 5950-01-312-6743, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-312-6743 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SECOND GROUP |
| Mounting Facility Quantity | 2 FIRST GROUP |
| Inclosure Type | FULLY INCLOSED |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | SLOT FIRST GROUP |
| Mounting Method | UNTHREADED HOLE(S) SECOND GROUP |
| Body Width | 11.750 INCHES NOMINAL IN |
| Maximum Transformer Power Rating | 10.0 KILOVOLT-AMPERE SINGLE COMPONENT |
| Mounting Hole Diameter | 0.562 INCHES NOMINAL SECOND GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 4.750 INCHES NOMINAL FIRST MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 9.750 INCHES NOMINAL IN |
| Winding Operating Current | 22.2 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Current | 83.3 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 109.00 AC VOLTS NOMINAL AND 111.00 AC VOLTS NOMINAL AND 114.00 AC VOLTS NOMINAL AND 117.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL AND 123.00 AC VOLTS NOMINAL AND 126.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 405.00 AC VOLTS NOMINAL AND 416.25 AC VOLTS NOMINAL AND 427.50 AC VOLTS NOMINAL AND 438.75 AC VOLTS NOMINAL AND 450.00 AC VOLTS NOMINAL AND 461.25 AC VOLTS NOMINAL AND 472.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 14 WIRE LEAD |
| Mounting Slot Width | 0.312 INCHES NOMINAL FIRST GROUP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A-612379-A-3 | C/1 Advisory reference — outside the item-of-supply concept Square D Co Sorgel Mfg Plant |
| 612379 | 5/9 Secondary reference Square D Co Sorgel Mfg Plant |
| A-612379-A-3 | 3/9 Design control — primary reference Schneider Electric Usa, Inc. Dba Schneider Electric |
NSN 5950-01-312-6743 is a Transformer,power, classified under FSC 5950, Coils and Transformers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5340-01-618-6675. Verify interchangeability with system specifications before substitution.
Key specifications for 5950-01-312-6743: Overall Height: 14.750 INCHES NOMINAL IN; Mounting Facility Quantity: 1 SECOND GROUP; Mounting Facility Quantity: 2 FIRST GROUP; Inclosure Type: FULLY INCLOSED. 20 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.