The Reactor-Transformer, cataloged under National Stock Number 5950-00-843-0259, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-843-0259 |
| Item Name | Reactor-Transformer |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 4.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | THREE PHASE TO THREE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 180.00 MICROHENRIES NOMINAL FIRST COMPONENT SINGLE WINDING |
| Nominal Thread Size | 0.164 INCHES SINGLE GROUP IN |
| Winding Operating Current | 20.0 AMPERES DC NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SECOND COMPONENT SINGLE PRIMARY |
| Rating Method | ELECTRICAL FIRST COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SECOND COMPONENT SINGLE SECONDARY |
| DC Resistance Rating in Ohms | 0.013 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 380.0 HERTZ MINIMUM AND 430.0 HERTZ MAXIMUM ALL COMPONENTS |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 425.00 AC VOLTS NOMINAL SECOND COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 97.70 AC VOLTS MINIMUM AND 132.30 AC VOLTS MAXIMUM SECOND COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 24 SCREW AND 9 TAB, SOLDER LUG |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
| Reference | Meaning |
|---|---|
| 4911962-00 | 3/2 Design control — primary reference U.S. Government activity |
| S3860 | 5/2 Secondary reference U.S. Government activity |
NSN 5950-00-843-0259 is a Reactor-Transformer, classified under FSC 5950, Coils and Transformers. Status: active.
Key specifications for 5950-00-843-0259: Overall Height: 4.125 INCHES NOMINAL IN; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 4.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN. 19 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.