The Reactor, cataloged under National Stock Number 5950-00-424-9646, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Magnetika Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-424-9646 |
| Primary Part Number | FL743 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Magnetika Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Inductance Rating | 70.00 MILLIHENRIES MINIMUM AND 700.00 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Body Width | 1.156 INCHES NOMINAL IN |
| Body Height | 0.812 INCHES NOMINAL IN |
| Distance Between Mounting Facility Centers | 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.112 INCHES SINGLE GROUP IN |
| Body Length | 1.266 INCHES NOMINAL IN |
| DC Resistance Rating in Ohms | 22.000 SINGLE COMPONENT SINGLE WINDING |
| Winding Quantity | 1 SINGLE COMPONENT |
| Thread Quantity Per Inch | 40 SINGLE GROUP |
| Terminal Type and Quantity | 2 SOLDER STUD |
| Inductance Type | MECHANICALLY ADJUSTABLE |
| 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 |
|---|---|
| FL743 PRIMARY | Magnetika Inc (USA) |
| Reference | Meaning |
|---|---|
| FL743 | 5/9 Secondary reference U.S. Government activity |
| MILT27 | 4/1 Identification reference U.S. Government activity |
| TF4RX20YY | 4/1 Identification reference U.S. Government activity |
NSN 5950-00-424-9646 is a Reactor, manufactured by Magnetika Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-424-9646 has 1 manufacturer part number on file: FL743 (Magnetika Inc).
1 possible match (shared part number, not a government interchangeability claim): 5950-00-910-0000. Verify interchangeability with system specifications before substitution.
Key specifications for FL743: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Mounting Method: THREADED STUD(S) SINGLE GROUP; Inductance Rating: 70.00 MILLIHENRIES MINIMUM AND 700.00 MILLIHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING. 15 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.