The Transistor, cataloged under National Stock Number 5961-00-261-6537, 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 L3harris Technologies, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-00-261-6537 |
| Primary Part Number | 5519022G001 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 20.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 3.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Overall Diameter | 0.230 INCHES MAXIMUM IN |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Mounting Method | TERMINAL |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Current Rating Per Characteristic | 30.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Terminal Type and Quantity | 4 UNINSULATED WIRE LEAD |
| Terminal Circle Diameter | 0.100 INCHES NOMINAL IN |
| Power Rating Per Characteristic | 150.0 MILLIWATTS MAXIMUM COLLECTOR 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 |
|---|---|
| 5519022G001 PRIMARY | L3harris Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| K5551 | 5/9 Secondary reference U.S. Government activity |
| 5519022G001 | 5/9 Secondary reference L3harris Technologies, Inc Div Space & Airborne Systems |
| MA42615 | 5/9 Secondary reference U.S. Government activity |
| 5519022 | 5/9 Secondary reference L3harris Technologies, Inc. |
NSN 5961-00-261-6537 is a Transistor, manufactured by L3harris Technologies, Inc., classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-00-261-6537 has 1 manufacturer part number on file: 5519022G001 (L3harris Technologies, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 3030-00-528-4244, 5340-01-350-9788. Verify interchangeability with system specifications before substitution.
Key specifications for 5519022G001: Voltage Rating in Volts Per Characteristic: 20.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 3.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Overall Diameter: 0.230 INCHES MAXIMUM IN; Terminal Length: 0.500 INCHES MINIMUM IN. 12 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.