The Transformer,power Autotransforme, cataloged under National Stock Number 5950-00-925-9090, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-925-9090 |
| Primary Part Number | 2134951 |
| Item Name | Transformer,power Autotransforme |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 1.390 INCHES MAXIMUM IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | TERMINAL SINGLE GROUP |
| Winding Function and Quantity | 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT |
| Body Length | 2.250 INCHES MAXIMUM IN |
| Winding Operating Current | 15.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 40.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT |
| Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE AND 4 THREADED HOLE |
| 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 |
|---|---|
| L504000284 | Lockheed Martin Librascope Corporation (USA) |
| 213491 | Lockheed Martin Librascope Corporation (USA) |
| 2134951 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 224-0633 | 5/9 Secondary reference Mte Corp |
NSN 5950-00-925-9090 is a Transformer,power Autotransforme, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-925-9090 has 3 manufacturer part numbers on file: L504000284 (Lockheed Martin Librascope Corporation), 213491 (Lockheed Martin Librascope Corporation), 2134951 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5342-00-938-4067. Verify interchangeability with system specifications before substitution.
Key specifications for 2134951: Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 1.390 INCHES MAXIMUM IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: TERMINAL SINGLE GROUP. 11 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.