The Transistor, cataloged under National Stock Number 5961-01-209-2293, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Aimtron Systems, Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-209-2293 |
| Primary Part Number | 407257-2 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Aimtron Systems, Llc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 50.0 MAXIMUM COLLECTOR SUPPLY VOLTAGE |
| Mounting Method | PRESS FIT |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 40.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC |
| Terminal Type and Quantity | 4 RIBBON |
| Power Rating Per Characteristic | 250.0 WATTS MINIMUM TOTAL POWER DISSIPATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 407257-2 PRIMARY | Aimtron Systems, Llc (USA) |
| 64045 | Microsemi Corp. - Rf Power Products (USA) |
| Reference | Meaning |
|---|---|
| 407257-2 | 5/9 Secondary reference Cardion Inc |
| 64045 | 5/9 Secondary reference Acrian Inc |
| TAN-250 | 5/9 Secondary reference Acrian Inc |
NSN 5961-01-209-2293 is a Transistor, manufactured by Aimtron Systems, Llc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-209-2293 has 2 manufacturer part numbers on file: 407257-2 (Aimtron Systems, Llc), 64045 (Microsemi Corp. - Rf Power Products).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-392-3288. Verify interchangeability with system specifications before substitution.
Key specifications for 407257-2: Overall Height: 0.190 INCHES NOMINAL IN; Voltage Rating in Volts Per Characteristic: 50.0 MAXIMUM COLLECTOR SUPPLY VOLTAGE; Mounting Method: PRESS FIT; Semiconductor Material: SILICON. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.