The Reactor, cataloged under National Stock Number 5950-00-118-9938, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is A M I/ Coast Magnetics Inc. Dba Coast Magnetics. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-118-9938 |
| Primary Part Number | 4941 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | A M I/ Coast Magnetics Inc. Dba Coast Magnetics |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 8.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Body Width | 1.810 INCHES NOMINAL IN |
| Body Height | 2.750 INCHES NOMINAL IN |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 1.940 INCHES NOMINAL IN |
| Winding Operating Current | 50.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 200.000 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Terminal Type and Quantity | 3 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 |
| Part Number | Manufacturer |
|---|---|
| 4941 PRIMARY | A M I/ Coast Magnetics Inc. Dba Coast Magnetics (USA) |
| 662 | Standard Industries (USA) |
| WE1563 | Magnetika Inc (USA) |
| Reference | Meaning |
|---|---|
| E30027 | 5/9 Secondary reference Electro Vector Inc |
| 718899-023 | 5/2 Secondary reference U.S. Government activity |
| WE1563 | 5/9 Secondary reference Wems Electronics Transformer Group |
NSN 5950-00-118-9938 is a Reactor, manufactured by A M I/ Coast Magnetics Inc. Dba Coast Magnetics, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-118-9938 has 3 manufacturer part numbers on file: 4941 (A M I/ Coast Magnetics Inc. Dba Coast Magnetics), 662 (Standard Industries), WE1563 (Magnetika Inc).
5 possible matches (shared part number, not a government interchangeability claim): 2920-00-362-3326, 5342-01-167-2880, 5935-01-238-1538. Verify interchangeability with system specifications before substitution.
Key specifications for 4941: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: THREADED HOLE(S) SINGLE GROUP. 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.