The Reactor, cataloged under National Stock Number 5950-00-165-2667, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-165-2667 |
| Primary Part Number | 861140-3 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 5.00 MILLIHENRIES MINIMUM SINGLE COMPONENT SINGLE WINDING |
| Body Width | 1.200 INCHES MAXIMUM IN |
| Body Height | 1.100 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.086 INCHES SINGLE GROUP IN |
| Body Length | 1.400 INCHES MAXIMUM IN |
| Winding Operating Current | 1.62 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 0.750 SINGLE COMPONENT FIRST WINDING |
| DC Resistance Rating in Ohms | 2.500 SINGLE COMPONENT SECOND WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 2 SINGLE COMPONENT |
| Frequency Rating | 15.0 KILOHERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.850 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 56 SINGLE GROUP |
| Terminal Type and Quantity | 4 TURRET |
| 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 |
|---|---|
| 861140-3 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| WE1585 | Magnetika Inc (USA) |
| Reference | Meaning |
|---|---|
| 861140-3 | 3/9 Design control — primary reference Litton Systems Inc. Div Navigation Systems Division |
| WE1585 | 5/9 Secondary reference Wems Electronics Transformer Group |
NSN 5950-00-165-2667 is a Reactor, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-165-2667 has 2 manufacturer part numbers on file: 861140-3 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), WE1585 (Magnetika Inc).
Key specifications for 861140-3: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: THREADED HOLE(S) SINGLE GROUP. 21 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.