The Reactor, cataloged under National Stock Number 5950-01-203-3289, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Aimtron Systems, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-203-3289 |
| Primary Part Number | 408697 |
| Item Name | Reactor |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Aimtron Systems, Llc |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 4.620 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Method | BRACKET(S) AND SLOT SINGLE GROUP |
| Inductance Rating | 21.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING |
| Body Width | 5.500 INCHES MAXIMUM IN |
| Body Height | 4.600 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.281 INCHES NOMINAL SINGLE GROUP IN |
| Maximum Operating Temp | 80.0 CELSIUS DEGC |
| Body Length | 6.000 INCHES MAXIMUM IN |
| Rating Method | ELECTRICAL SINGLE COMPONENT SINGLE WINDING |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Quantity | 1 SINGLE COMPONENT |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 4.380 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Terminal Type and Quantity | 2 WIRE HOOK |
| Inductance Type | FIXED |
| Mounting Slot Width | 0.281 INCHES NOMINAL SINGLE GROUP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5950-01-203-3289 is a Reactor, manufactured by Aimtron Systems, Llc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-203-3289 has 2 manufacturer part numbers on file: 408697 (Aimtron Systems, Llc), 425001 (Electronic Transformer Corp Div Electronic Transformer Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-656-8313. Verify interchangeability with system specifications before substitution.
Key specifications for 408697: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 4.620 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Mounting Method: BRACKET(S) AND SLOT 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.