The Reactor, cataloged under National Stock Number 5950-01-148-3309, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Robert M. Hadley Company, Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-148-3309 |
| Primary Part Number | 18956 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Robert M. Hadley Company, Inc. |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 0.700 INCHES MAXIMUM IN |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 350.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Maximum Operating Temp | 110.0 CELSIUS DEGC |
| Body Length | 0.440 INCHES MAXIMUM IN |
| Winding Operating Current | 7.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 180.000 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Frequency Rating | 1.0 KILOHERTZ MINIMUM SINGLE COMPONENT |
| Terminal Type and Quantity | 2 PIN |
| Inductance Type | FIXED |
| 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 |
|---|---|
| 18956 | Robert M. Hadley Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 986237-2B | 3/2 Design control — primary reference U.S. Government activity |
| 862084 | 5/2 Secondary reference U.S. Government activity |
NSN 5950-01-148-3309 is a Reactor, manufactured by Robert M. Hadley Company, Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-148-3309 has 1 manufacturer part number on file: 18956 (Robert M. Hadley Company, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-194-5108, 4820-01-464-3462. Verify interchangeability with system specifications before substitution.
Key specifications for 18956: Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 0.700 INCHES MAXIMUM IN; Mounting Method: TERMINAL SINGLE GROUP; Inductance Rating: 350.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING. 14 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.