The Transformer,power Autotransforme, cataloged under National Stock Number 5950-01-111-9258, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Superior Electric Holding Group Llc Div Specialty Product Technologies. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-111-9258 |
| Primary Part Number | 5-1402 |
| Item Name | Transformer,power Autotransforme |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Superior Electric Holding Group Llc Div Specialty Product Technologies |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 3.050 INCHES MAXIMUM IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED BUSHING SINGLE GROUP |
| Adjustment Device Drive Type | SHAFT SINGLE COMPONENT |
| Adjustment Method and Quantity | 1 ADJUSTABLE CORE SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY, VARIABLE AUTOTRANSFORMER TYPE SINGLE COMPONENT |
| Features Provided | W/SWITCH |
| Nominal Thread Size | 0.562 INCHES SINGLE GROUP IN |
| Specification/standard Data | 78286-70550-01017 MANUFACTURERS SOURCE CONTROL |
| Body Length | 4.070 INCHES MAXIMUM IN |
| Winding Operating Current | 15.0 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Winding Operating Voltage | 0.00 AC VOLTS MINIMUM AND 5.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Terminal Type and Quantity | 5 THREADED STUD |
| Thread Series Designator | UNEF SINGLE GROUP |
| 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 |
|---|---|
| 5-1402 | Superior Electric Holding Group Llc Div Specialty Product Technologies (USA) |
| 70550-01017-102 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 26476 | 5/9 Secondary reference U.S. Government activity |
| 200-26476-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-01-111-9258 is a Transformer,power Autotransforme, manufactured by Superior Electric Holding Group Llc Div Specialty Product Technologies, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-111-9258 has 2 manufacturer part numbers on file: 5-1402 (Superior Electric Holding Group Llc Div Specialty Product Technologies), 70550-01017-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
6 possible matches (shared part number, not a government interchangeability claim): 5950-01-125-5858, 4320-01-246-8535, 5930-01-308-7788. Verify interchangeability with system specifications before substitution.
Key specifications for 5-1402: Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 3.050 INCHES MAXIMUM IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: THREADED BUSHING SINGLE GROUP. 18 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.