The Transformer Assembly, cataloged under National Stock Number 5950-00-591-7740, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-591-7740 |
| Item Name | Transformer Assembly |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Status | ACTIVE |
| Mounting Facility Quantity | 6 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.060 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE ALL COMPONENTS |
| Mounting Method | SLOT SINGLE GROUP |
| Body Width | 2.180 INCHES MINIMUM IN |
| Body Height | 2.750 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 SECONDARY ALL COMPONENTS |
| Body Length | 7.120 INCHES NOMINAL IN |
| Winding Operating Current | 156.0 AMPERES AC NOMINAL ALL COMPONENTS SINGLE PRIMARY |
| Winding Operating Current | 2.0 AMPERES AC NOMINAL ALL COMPONENTS SINGLE SECONDARY |
| Rating Method | ELECTRICAL ALL COMPONENTS SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM ALL COMPONENTS |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.870 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Terminal Type and Quantity | 6 THREADED STUD |
| Mounting Slot Width | 0.203 INCHES NOMINAL SINGLE 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 |
|---|---|
| 33-156-2 | 3/9 Design control — primary reference Square D Co Electromagnetic Industries Div |
NSN 5950-00-591-7740 is a Transformer Assembly, classified under FSC 5950, Coils and Transformers. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-395-0826, 6750-01-427-3476. Verify interchangeability with system specifications before substitution.
Key specifications for 5950-00-591-7740: Overall Height: 3.250 INCHES NOMINAL IN; Mounting Facility Quantity: 6 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.060 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 17 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.