The Reactor, cataloged under National Stock Number 5950-01-225-1900, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Payne Magnetics, Inc.. Government technical data includes 13 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. 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 | 5950-01-225-1900 |
| Primary Part Number | K-542 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Payne Magnetics, Inc. |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 0.500 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 22.00 MICROHENRIES MINIMUM AND 43.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Maximum Operating Temp | 130.0 CELSIUS DEGC |
| Body Length | 0.355 INCHES MAXIMUM IN |
| Winding Operating Current | 350.0 MILLIAMPERES DC MINIMUM AND 700.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Frequency Rating | 15.75 KILOHERTZ NOMINAL SINGLE COMPONENT |
| Terminal Type and Quantity | 2 PIN |
| Inductance Type | SWINGING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5950-01-225-1900 is a Reactor, manufactured by Payne Magnetics, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-225-1900 has 2 manufacturer part numbers on file: K-542 (Payne Magnetics, Inc.), PR-K-542 (Payne Magnetics, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-304-6597. Verify interchangeability with system specifications before substitution.
Key specifications for K-542: Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 0.500 INCHES MAXIMUM IN; Mounting Method: TERMINAL SINGLE GROUP; Inductance Rating: 22.00 MICROHENRIES MINIMUM AND 43.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING. 13 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.