The Reactor, cataloged under National Stock Number 5950-01-167-5124, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Atlantic Inertial Systems Inc Div Cheshire Division. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-167-5124 |
| Primary Part Number | 303881 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Atlantic Inertial Systems Inc Div Cheshire Division |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Overall Diameter | 1.327 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Inductance Rating | 50.00 MILLIHENRIES NOMINAL SINGLE COMPONENT ALL WINDING |
| Mounting Hole Diameter | 0.144 INCHES NOMINAL SINGLE GROUP IN |
| Winding Operating Current | 172.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST WINDING |
| DC Resistance Rating in Ohms | 2.000 SINGLE COMPONENT SECOND WINDING |
| Winding Quantity | 2 SINGLE COMPONENT |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Terminal Type and Quantity | 4 TURRET |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5950-01-167-5124 is a Reactor, manufactured by Atlantic Inertial Systems Inc Div Cheshire Division, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-167-5124 has 2 manufacturer part numbers on file: 550022-01 (Bae Systems Controls Inc), 303881 (Atlantic Inertial Systems Inc Div Cheshire Division).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-341-3685. Verify interchangeability with system specifications before substitution.
Key specifications for 303881: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Overall Diameter: 1.327 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP. 11 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.