The Transformer,power, cataloged under National Stock Number 5950-01-174-7691, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-174-7691 |
| Primary Part Number | 13084025 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Transformer Winding Connection Type | DELTA-DELTA |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Power Rating | 138.2 VOLTS-AMPERES SINGLE COMPONENT FIRST SECONDARY |
| Winding Power Rating | 18.3 VOLTS-AMPERES SINGLE COMPONENT SECOND SECONDARY |
| Winding Power Rating | 18.3 VOLTS-AMPERES SINGLE COMPONENT THIRD SECONDARY |
| Winding Power Rating | 36.2 VOLTS-AMPERES SINGLE COMPONENT FOURTH SECONDARY |
| Input-Output Phase Relationship | THREE PHASE TO THREE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Body Width | 2.900 INCHES MAXIMUM IN |
| Maximum Transformer Power Rating | 221.4 VOLT-AMPERE SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Nominal Thread Size | 0.190 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 155.0 CELSIUS DEGC |
| Body Length | 3.780 INCHES MAXIMUM IN |
| Winding Operating Current | 1.55 AMPERES DC NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Current | 4.7 AMPERES DC NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Current | 650.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Current | 650.0 MILLIAMPERES DC NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 17.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 200.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 13.50 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Voltage | 16.30 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| 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 |
|---|---|
| 13084025 PRIMARY | Lockheed Martin Corporation (USA) |
| 28457 | Torotel, Inc. Div Torotel Products, Inc. (USA) |
| PEI 8223 | Precision Electronics, Inc (USA) |
| TW-71381 | Magnetika (USA) |
| Reference | Meaning |
|---|---|
| 13084025 | 5/9 Secondary reference Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah |
NSN 5950-01-174-7691 is a Transformer,power, manufactured by Lockheed Martin Corporation, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-174-7691 has 4 manufacturer part numbers on file: 13084025 (Lockheed Martin Corporation), 28457 (Torotel, Inc. Div Torotel Products, Inc.), PEI 8223 (Precision Electronics, Inc), TW-71381 (Magnetika).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-425-6571, 4730-01-627-8122. Verify interchangeability with system specifications before substitution.
Key specifications for 13084025: Overall Height: 2.409 INCHES MAXIMUM IN; Transformer Winding Connection Type: DELTA-DELTA; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED. 28 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.