The Transformer,power Autotransforme, cataloged under National Stock Number 5950-01-128-1133, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 16 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-128-1133 |
| Primary Part Number | ST5M1493-001 |
| Item Name | Transformer,power Autotransforme |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.700 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 2.000 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.180 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT |
| Body Length | 2.400 INCHES MAXIMUM IN |
| Winding Operating Current | 6.2 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Winding Operating Voltage | 7.70 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Terminal Type and Quantity | 3 THREADED 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 |
|---|---|
| PEI6401 | Precision Electronics, Inc (USA) |
| ST5M1493-001 PRIMARY | The Boeing Company Div Defense (USA) |
| BX-9676 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| 40340 | Coast/advanced Chip Magnetics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| BX-9676 | 5/9 Secondary reference U.S. Government activity |
| 10132821 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| G87406 | 5/9 Secondary reference Gauss Control Inc |
| 212013 | 5/9 Secondary reference Voltampere Corp |
| 310-13925-01 | 5/2 Secondary reference U.S. Government activity |
| 450-1133-000 | 5/9 Secondary reference Magnatronix Corporation |
NSN 5950-01-128-1133 is a Transformer,power Autotransforme, manufactured by The Boeing Company Div Defense, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-128-1133 has 4 manufacturer part numbers on file: PEI6401 (Precision Electronics, Inc), ST5M1493-001 (The Boeing Company Div Defense), BX-9676 (Electronic Transformer Corp Div Electronic Transformer Corporation), 40340 (Coast/advanced Chip Magnetics, Inc.).
7 possible matches (shared part number, not a government interchangeability claim): 5330-01-151-8284, 2910-01-160-4900, 8040-01-303-4901. Verify interchangeability with system specifications before substitution.
Key specifications for ST5M1493-001: Overall Height: 2.750 INCHES MAXIMUM IN; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.700 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 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.