The Reactor, cataloged under National Stock Number 5950-01-188-6345, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cypress Magnetics Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-188-6345 |
| Primary Part Number | 678-0358-040 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Cypress Magnetics Inc |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 0.880 INCHES MAXIMUM IN |
| Turn Quantity | 24 SINGLE COMPONENT SINGLE WINDING |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 41.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Winding Conductor Size | 0.03196 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN |
| Nominal Thread Size | 0.086 INCHES SINGLE GROUP IN |
| Maximum Operating Temp | 130.0 CELSIUS DEGC |
| Body Length | 0.480 INCHES MAXIMUM IN |
| Winding Operating Current | 1.5 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 0.030 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 4 PIN |
| 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 |
|---|---|
| 678-0358-040 | Cypress Magnetics Inc (USA) |
| 678-0358-040 | "leightner Electronics, Inc." Dba Leightner Electronics Inc (USA) |
| Reference | Meaning |
|---|---|
| 700052-0004 | 5/9 Secondary reference Datametrics Corporation |
| 678-0358-040 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 700052-0004 | C/1 Advisory reference — outside the item-of-supply concept Rugged Information Technology Equipment Corporation Dba Rugged Information Technology Equipment |
| 678-0358-040 | 5/9 Secondary reference Pacific Coil Co |
NSN 5950-01-188-6345 is a Reactor, manufactured by Cypress Magnetics Inc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-188-6345 has 2 manufacturer part numbers on file: 678-0358-040 (Cypress Magnetics Inc), 678-0358-040 ("leightner Electronics, Inc." Dba Leightner Electronics Inc).
Key specifications for 678-0358-040: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 0.880 INCHES MAXIMUM IN; Turn Quantity: 24 SINGLE COMPONENT SINGLE WINDING. 18 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.