The Transformer,power, cataloged under National Stock Number 5950-01-226-9946, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Librascope Corporation. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-226-9946 |
| Primary Part Number | L504001581 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Lockheed Martin Librascope Corporation |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | TERMINAL SINGLE GROUP |
| Body Width | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Body Height | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Specification/standard Data | 53711-5882978 MANUFACTURERS SOURCE CONTROL |
| Maximum Operating Temp | 85.0 CELSIUS DEGC |
| Body Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Winding Operating Current | 5.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 50.0 KILOHERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 12.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 7.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 4 PIN |
| 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 |
|---|---|
| L504001581 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
| DB1018 PRIMARY | Dbp Microwave Inc. Dba Dbp Microwave Inc. (USA) |
| 5T183 PRIMARY | Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc (USA) |
| WE3760 PRIMARY | Magnetika Inc (USA) |
| 5882978 | Naval Sea Systems Command (USA) |
| HFT1028 PRIMARY | Cypress Magnetics Inc (USA) |
| Reference | Meaning |
|---|---|
| WE3760 | 5/9 Secondary reference Wems Electronics Transformer Group |
NSN 5950-01-226-9946 is a Transformer,power, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-226-9946 has 6 manufacturer part numbers on file: L504001581 (Lockheed Martin Librascope Corporation), DB1018 (Dbp Microwave Inc. Dba Dbp Microwave Inc.), 5T183 (Rayco Electronic Manufacturing, Inc. Div Rayco Electronics Mfg Inc), WE3760 (Magnetika Inc), 5882978 (Naval Sea Systems Command) and 1 more.
Key specifications for L504001581: Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: TERMINAL SINGLE GROUP. 17 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.