PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

579R939H01Transistor

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5961-01-157-9616 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-157-9616 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-157-9616. Primary manufacturer part number: 579R939H01.
Features
  • Transistor — FSC 5961
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Power Rating Per Characteristic: 0.8 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Terminal Circle Diameter: 0.141 INCHES NOMINAL IN
  • Internal Configuration: JUNCTION CONTACT
  • Mounting Method: TERMINAL
  • Precious Material and Location: TERMINALS GOLD
  • Overall Diameter: 0.305 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-157-9616, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-01-157-9616
Primary Part Number579R939H01
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusCANCELLED
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Power Rating Per Characteristic0.8 WATTS MAXIMUM TOTAL POWER DISSIPATION
Terminal Circle Diameter0.141 INCHES NOMINAL IN
Internal ConfigurationJUNCTION CONTACT
Mounting MethodTERMINAL
Precious Material and LocationTERMINALS GOLD
Overall Diameter0.305 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
Specification/standard Data81349-MIL-S-19500/368 GOVERNMENT SPECIFICATION
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-5
Terminal Type and Quantity3 PIN
Features ProvidedHERMETICALLY SEALED CASE
Terminal Length0.500 INCHES MINIMUM IN
Precious MaterialGOLD
Test Data Document81349-MIL-S-19500 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-022-5670 INTERCHANGEABLE
Transistor
5961-00-055-7897207026P1 INTERCHANGEABLE
Transistor
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5961-00-064-3237579R939H02 INTERCHANGEABLE
Transistor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5998-00-103-2549 INTERCHANGEABLE
Circuit Card Assembly
5961-00-116-8950352-0825-020 INTERCHANGEABLE
Transistor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5961-00-137-8312 INTERCHANGEABLE
Transistor
5961-00-240-3007 INTERCHANGEABLE
Transistor
5961-00-272-8374 INTERCHANGEABLE
Transistor
4810-00-364-65793779-1 INTERCHANGEABLE
Valve,solenoid
Pneudraulics, Inc.
5961-00-489-202154000-90068-1 INTERCHANGEABLE
Transistor
Textron Systems Corporation Dba Textron Systems Corp
Cross-Reference Index
Part NumberManufacturer
579R939H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
37791 Renesas Electronics America Inc (USA)
67A7A35-1 Naval Sea Systems Command (USA)
STA8169 Silicon Transistor Corporation Dba Same (USA)
2N3439 Freescale Semiconductor, Inc. (USA)
301943 Northrop Grumman Corp Electronic Systems Defensive System Div (USA)
JANTX2N3439L Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/368 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/368 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-022-5670INTERCHANGEABLE
TRANSISTOR
5961-00-055-7897INTERCHANGEABLE
TRANSISTOR
207026P1
5961-00-064-3237INTERCHANGEABLE
TRANSISTOR
579R939H02
5998-00-103-2549INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5961-00-116-8950INTERCHANGEABLE
TRANSISTOR
352-0825-020
5961-00-137-8312INTERCHANGEABLE
TRANSISTOR
5961-00-240-3007INTERCHANGEABLE
TRANSISTOR
5961-00-272-8374INTERCHANGEABLE
TRANSISTOR
4810-00-364-6579INTERCHANGEABLE
VALVE,SOLENOID
3779-1
5961-00-489-2021INTERCHANGEABLE
TRANSISTOR
54000-90068-1
5961-00-726-7836INTERCHANGEABLE
TRANSISTOR
3110-00-776-7524INTERCHANGEABLE
BEARING
301943

Frequently Asked Questions

What is NSN 5961-01-157-9616?

NSN 5961-01-157-9616 is a Transistor, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-01-157-9616?

NSN 5961-01-157-9616 has 9 cross-referenced part numbers: 579R939H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 37791 (Renesas Electronics America Inc), 67A7A35-1 (Naval Sea Systems Command), STA8169 (Silicon Transistor Corporation Dba Same), 2N3439 (Freescale Semiconductor, Inc.) and 4 more.

What NSN replaces 5961-01-157-9616?

There are 12 known substitutes for 5961-01-157-9616: 5961-00-022-5670, 5961-00-055-7897, 5961-00-064-3237 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 579R939H01?

Key specifications for 579R939H01: Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC; Power Rating Per Characteristic: 0.8 WATTS MAXIMUM TOTAL POWER DISSIPATION; Overall Length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Terminal Circle Diameter: 0.141 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-157-9616 still in active supply?

NSN 5961-01-157-9616 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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