The Reactor, cataloged under National Stock Number 5950-00-134-5863, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Excelitas Technologies Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-134-5863 |
| Primary Part Number | BI2161 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Excelitas Technologies Corp |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.190 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 200.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Body Width | 2.440 INCHES NOMINAL IN |
| Body Height | 3.190 INCHES NOMINAL IN |
| Nominal Thread Size | 0.190 INCHES SINGLE GROUP IN |
| Body Length | 3.750 INCHES NOMINAL IN |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| DC Resistance Rating in Ohms | 2.000 SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Terminal Type and Quantity | 2 WIRE LEAD |
| Inductance Type | FIXED |
| Thread Series Designator | UNF 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 |
NSN 5950-00-134-5863 is a Reactor, manufactured by Excelitas Technologies Corp, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-134-5863 has 2 manufacturer part numbers on file: BI2161 (Excelitas Technologies Corp), B12161 (Excelitas Technologies Corp).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-250-9588. Verify interchangeability with system specifications before substitution.
Key specifications for BI2161: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.190 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.