The Reactor-Transformer, cataloged under National Stock Number 5950-01-189-1946, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is "leightner Electronics, Inc." Dba Leightner Electronics Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-189-1946 |
| Primary Part Number | 270-2504-010 |
| Item Name | Reactor-Transformer |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | "leightner Electronics, Inc." Dba Leightner Electronics Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.800 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SECOND COMPONENT |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 4.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE SECONDARY |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE PRIMARY |
| DC Resistance Rating in Ohms | 0.340 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 10.0 KILOHERTZ NOMINAL ALL COMPONENTS |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Winding Operating Voltage | 5.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 0.50 AC VOLTS MINIMUM AND 5.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 17 TURRET AND 3 WIRE LEAD |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 270-2504-010 | "leightner Electronics, Inc." Dba Leightner Electronics Inc (USA) |
| Reference | Meaning |
|---|---|
| 270-2504-010 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 270-2504-010 | 5/2 Secondary reference U.S. Government activity |
NSN 5950-01-189-1946 is a Reactor-Transformer, manufactured by "leightner Electronics, Inc." Dba Leightner Electronics Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-189-1946 has 1 manufacturer part number on file: 270-2504-010 ("leightner Electronics, Inc." Dba Leightner Electronics Inc).
Key specifications for 270-2504-010: Overall Height: 1.880 INCHES MAXIMUM IN; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.800 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.