PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6127407Transistor

Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin · NSN 5961-01-010-3255 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-010-3255 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-010-3255. Primary manufacturer part number: 6127407.
Features
  • Transistor — FSC 5961
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS AMBIENT AIR DEGC
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Power Rating Per Characteristic: 1.9 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-46
  • Specification/standard Data: 81349-MIL-S-19500/395 GOVERNMENT SPECIFICATION
  • Semiconductor Material: SILICON
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-010-3255, 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 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 10 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
NSN5961-01-010-3255
Primary Part Number6127407
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin
StatusCANCELLED
Maximum Operating Temp Per Measurement Point200.0 CELSIUS AMBIENT AIR DEGC
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Power Rating Per Characteristic1.9 WATTS MAXIMUM TOTAL POWER DISSIPATION
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-46
Specification/standard Data81349-MIL-S-19500/395 GOVERNMENT SPECIFICATION
Semiconductor MaterialSILICON
Terminal Length0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Overall Diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Test Data Document81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Current Rating Per Characteristic1.50 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Internal ConfigurationJUNCTION CONTACT
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Voltage Rating in Volts Per Characteristic75.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Mounting MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-011-7019 INTERCHANGEABLE
Transistor
5961-00-246-2440 INTERCHANGEABLE
Transistor
5961-00-247-5921 INTERCHANGEABLE
Transistor
5961-00-408-3809 INTERCHANGEABLE
Transistor
5961-00-421-9581 INTERCHANGEABLE
Transistor
5961-00-484-2994 INTERCHANGEABLE
Transistor
5961-00-496-9432 INTERCHANGEABLE
Transistor
5961-00-810-0081 INTERCHANGEABLE
Transistor
5961-00-900-9636 INTERCHANGEABLE
Transistor
5961-01-102-6556 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
6127407 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
2N3736 Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd (USA)
7905170-01 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
MIL-PRF-19500/395 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N3736 Itt Semiconductors Div (USA)
JANTX2N3737 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
RELEASE5105 Electronic Industries Association
MIL-S-19500/395 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTX3737 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5961PL0927129 Jednolity Indeks Materialowy - Uniform Material Index (POL)
2N3736 Electronic Industries Association
2N3736 Freescale Semiconductor, Inc. (USA)
2N3736 Solid State Devices, Inc (USA)
6127407 Naval Sea Systems Command (USA)
Related Parts
5961-00-011-7019INTERCHANGEABLE
TRANSISTOR
5961-00-246-2440INTERCHANGEABLE
TRANSISTOR
5961-00-247-5921INTERCHANGEABLE
TRANSISTOR
5961-00-408-3809INTERCHANGEABLE
TRANSISTOR
5961-00-421-9581INTERCHANGEABLE
TRANSISTOR
5961-00-484-2994INTERCHANGEABLE
TRANSISTOR
5961-00-496-9432INTERCHANGEABLE
TRANSISTOR
5961-00-810-0081INTERCHANGEABLE
TRANSISTOR
5961-00-900-9636INTERCHANGEABLE
TRANSISTOR
5961-01-102-6556INTERCHANGEABLE
TRANSISTOR
5961-01-123-5398INTERCHANGEABLE
TRANSISTOR
5961-01-235-3285INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-010-3255?

NSN 5961-01-010-3255 is a Transistor, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-01-010-3255?

NSN 5961-01-010-3255 has 14 cross-referenced part numbers: 6127407 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 2N3736 (Fairchild Semiconductor Corp Components Group Sub of Schlumberger Ltd), 7905170-01 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), MIL-PRF-19500/395 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2N3736 (Itt Semiconductors Div) and 9 more.

What NSN replaces 5961-01-010-3255?

There are 12 known substitutes for 5961-01-010-3255: 5961-00-011-7019, 5961-00-246-2440, 5961-00-247-5921 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6127407?

Key specifications for 6127407: Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS AMBIENT AIR DEGC; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Power Rating Per Characteristic: 1.9 WATTS MAXIMUM TOTAL POWER DISSIPATION; Electrode Internally-Electrically Connected to Case: COLLECTOR. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-010-3255 still in active supply?

NSN 5961-01-010-3255 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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