The Reactor, cataloged under National Stock Number 5950-00-645-1143, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Electric Company. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-645-1143 |
| Primary Part Number | T51J21-4 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 20.00 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Body Width | 3.062 INCHES NOMINAL IN |
| Body Height | 4.312 INCHES NOMINAL IN |
| Nominal Thread Size | 0.164 INCHES SINGLE GROUP IN |
| Body Length | 4.500 INCHES NOMINAL IN |
| Winding Operating Current | 70.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 232.000 SINGLE COMPONENT SINGLE WINDING |
| Winding Quantity | 1 SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| 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 |
NSN 5950-00-645-1143 is a Reactor, manufactured by General Electric Company, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-645-1143 has 2 manufacturer part numbers on file: T51J21-4 (General Electric Company), 394101PC4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for T51J21-4: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: THREADED HOLE(S) 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.