The Transistor, cataloged under National Stock Number 5961-01-133-6448, 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 Northrop Grumman Systems Corporation. Government technical data includes 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-133-6448 |
| Primary Part Number | GT816GK1 |
| Item Name | Transistor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 8.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN AND 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN |
| Maximum Operating Temp Per Measurement Point | 200.0 CELSIUS JUNCTION DEGC |
| Mounting Facility Quantity | 1 |
| Joint Electronic Device Engineering Council/jedec/case Outline Designation | TO-63 |
| Mounting Method | THREADED STUD(S) |
| Semiconductor Material | SILICON |
| Internal Configuration | JUNCTION CONTACT |
| Features Provided | HERMETICALLY SEALED CASE |
| Nominal Thread Size | 0.190 INCHES IN |
| Current Rating Per Characteristic | 60.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC |
| Specification/standard Data | 80131-RELEASE6190 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Terminal Type and Quantity | 1 THREADED STUD AND 3 TAB, SOLDER LUG |
| Thread Series Designator | UNF |
| Electrode Internally-Electrically Connected to Case | COLLECTOR |
| Power Rating Per Characteristic | 150.0 WATTS MAXIMUM 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 |
|---|---|
| GT816GK1 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2N6063 | 5/9 Secondary reference Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp |
| 113446-2 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| RELEASE6190 | 5/9 Secondary reference U.S. Government activity |
| 2N6063 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5961-01-133-6448 is a Transistor, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-133-6448 has 1 manufacturer part number on file: GT816GK1 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5961-01-491-0720, 5963-01-505-7390. Verify interchangeability with system specifications before substitution.
Key specifications for GT816GK1: Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 8.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN AND 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 1; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-63. 15 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.