The Transformer,power, cataloged under National Stock Number 5950-01-072-3976, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Tranex, Inc.. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-072-3976 |
| Primary Part Number | 4-3502 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Tranex, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | OPEN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.780 INCHES MINIMUM AND 2.840 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | SLOT SINGLE GROUP |
| Body Width | 3.500 INCHES MAXIMUM IN |
| Body Height | 2.810 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT |
| Body Length | 3.375 INCHES NOMINAL IN |
| Winding Operating Current | 20.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Current | 3.75 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 47.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.690 INCHES MINIMUM AND 2.810 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 105.00 AC VOLTS MINIMUM AND 125.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 100.00 DC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 35.00 DC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Terminal Type and Quantity | 8 TAB, SOLDER LUG |
| Mounting Slot Width | 0.180 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 |
| Part Number | Manufacturer |
|---|---|
| 4-3502 | Tranex, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1254411-01 | 5/9 Secondary reference U.S. Government activity |
| SP-1254411 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5950-01-072-3976 is a Transformer,power, manufactured by Tranex, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-072-3976 has 1 manufacturer part number on file: 4-3502 (Tranex, Inc.).
6 possible matches (shared part number, not a government interchangeability claim): 3465-01-132-4580, 3220-01-272-1825, 6220-01-275-9688. Verify interchangeability with system specifications before substitution.
Key specifications for 4-3502: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: OPEN; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.780 INCHES MINIMUM AND 2.840 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 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.