The Transistor, cataloged under National Stock Number 5961-01-178-4329, 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 Osi Optoelectronics, Inc Dba Semicoa. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-178-4329 |
| Primary Part Number | XGSQ3040 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Osi Optoelectronics, Inc Dba Semicoa |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 450.0 MINIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN |
| Mounting Facility Quantity | 2 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-3 |
| Precious Material | GOLD |
| Mounting Method | UNTHREADED HOLE(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 2.50 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Precious Material and Location | TERMINALS GOLD |
| Terminal Type and Quantity | 2 UNTHREADED HOLE AND 1 CASE |
| 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 |
|---|---|
| XGSQ3040 PRIMARY | Osi Optoelectronics, Inc Dba Semicoa (USA) |
| Reference | Meaning |
|---|---|
| XGSQ3040 | 5/9 Secondary reference General Semiconductor Industries Inc |
| 0N270692 | 5/2 Secondary reference U.S. Government activity |
NSN 5961-01-178-4329 is a Transistor, manufactured by Osi Optoelectronics, Inc Dba Semicoa, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-178-4329 has 1 manufacturer part number on file: XGSQ3040 (Osi Optoelectronics, Inc Dba Semicoa).
Key specifications for XGSQ3040: Overall Height: 1.050 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 450.0 MINIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN; Mounting Facility Quantity: 2; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-3. 11 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.