The Reactor, cataloged under National Stock Number 5950-00-645-9605, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Dynamics Mission Systems, Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5950-00-645-9605 |
| Primary Part Number | 55840 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | General Dynamics Mission Systems, Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 3 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Body Outside Diameter | 1.875 INCHES NOMINAL IN |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 580.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 2.375 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Current | 325.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 45.000 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Inductance Type | FIXED |
| 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 |
|---|---|
| 55840 | General Dynamics Mission Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3300-307655334 | 5/9 Secondary reference U.S. Government activity |
| 55840 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5950-00-645-9605 is a Reactor, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-645-9605 has 1 manufacturer part number on file: 55840 (General Dynamics Mission Systems, Inc.).
Key specifications for 55840: Mounting Facility Quantity: 3 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Body Outside Diameter: 1.875 INCHES NOMINAL IN; Mounting Method: THREADED HOLE(S) SINGLE GROUP. 16 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.