The Transformer,power, cataloged under National Stock Number 5950-01-005-4757, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-005-4757 |
| Primary Part Number | 136C478H01 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Winding Power Rating | 4.3 KILOVOLT-AMPERES SINGLE COMPONENT SINGLE SECONDARY |
| Input-Output Phase Relationship | THREE PHASE TO THREE PHASE SINGLE COMPONENT |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 3.310 INCHES MAXIMUM IN |
| Body Height | 5.690 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.420 INCHES MINIMUM AND 0.427 INCHES MAXIMUM SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Distance Between Mounting Facility Centers | 2.520 INCHES NOMINAL AND 8.540 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 10.810 INCHES MAXIMUM IN |
| Winding Operating Current | 12.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 208.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 218.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| 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 |
|---|---|
| 136C478H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| 136C478H01 PRIMARY | Centroid, Inc. Dba Centroid Inc (USA) |
| 44192 | Freed Transformer Co (USA) |
| Reference | Meaning |
|---|---|
| 136C478H01 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-01-005-4757 is a Transformer,power, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-005-4757 has 3 manufacturer part numbers on file: 136C478H01 (Northrop Grumman Support Services Corp), 136C478H01 (Centroid, Inc. Dba Centroid Inc), 44192 (Freed Transformer Co).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-217-3794. Verify interchangeability with system specifications before substitution.
Key specifications for 136C478H01: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Winding Power Rating: 4.3 KILOVOLT-AMPERES SINGLE COMPONENT SINGLE SECONDARY; Input-Output Phase Relationship: THREE PHASE TO THREE PHASE SINGLE COMPONENT. 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.