The Transformer,power, cataloged under National Stock Number 5950-00-646-3574, 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 Systems Corporation. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-646-3574 |
| Primary Part Number | 38B258-2 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 1.500 INCHES NOMINAL IN |
| Body Height | 3.250 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Body Length | 2.875 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 11.00 AC VOLTS NOMINAL AND 22.00 AC VOLTS NOMINAL AND 34.00 AC VOLTS NOMINAL AND 56.00 AC VOLTS NOMINAL AND 67.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 45.00 AC VOLTS NOMINAL AND 78.00 AC VOLTS NOMINAL AND 90.00 AC VOLTS NOMINAL AND 120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 12 SOLDER STUD |
| 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 |
|---|---|
| 38B258-2 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5950-00-646-3574 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-646-3574 has 1 manufacturer part number on file: 38B258-2 (Northrop Grumman Systems Corporation).
Key specifications for 38B258-2: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 15 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.