PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N3742Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-004-5863 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-004-5863 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-004-5863. Primary manufacturer part number: 2N3742.
Features
  • Transistor — FSC 5961
  • Internal Configuration: POINT CONTACT
  • Overall Diameter: 0.370 INCHES NOMINAL IN
  • Semiconductor Material: SILICON
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Internal Junction Configuration: NPN
  • Features Provided: HERMETICALLY SEALED CASE
  • 2 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-004-5863, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-004-5863
Primary Part Number2N3742
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Internal ConfigurationPOINT CONTACT
Overall Diameter0.370 INCHES NOMINAL IN
Semiconductor MaterialSILICON
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Internal Junction ConfigurationNPN
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5961-00-106-3630 INTERCHANGEABLE
Transistor
5961-00-627-0275 INTERCHANGEABLE
Transistor
5961-01-040-641713-812544-1 INTERCHANGEABLE
Transistor
General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems
5961-01-269-5343STX626 INTERCHANGEABLE
Transistor
Solid State Devices, Inc
Cross-Reference Index
Part NumberManufacturer
2N3742 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500-405 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-106-3630INTERCHANGEABLE
TRANSISTOR
5961-00-627-0275INTERCHANGEABLE
TRANSISTOR
5961-01-040-6417INTERCHANGEABLE
TRANSISTOR
13-812544-1
5961-01-269-5343INTERCHANGEABLE
TRANSISTOR
STX626

Frequently Asked Questions

What is NSN 5961-01-004-5863?

NSN 5961-01-004-5863 is a Transistor, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-004-5863?

NSN 5961-01-004-5863 has 2 cross-referenced part numbers: 2N3742 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500-405 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-01-004-5863?

There are 4 known substitutes for 5961-01-004-5863: 5961-00-106-3630, 5961-00-627-0275, 5961-01-040-6417 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N3742?

Key specifications for 2N3742: Internal Configuration: POINT CONTACT; Overall Diameter: 0.370 INCHES NOMINAL IN; Semiconductor Material: SILICON; Electrode Internally-Electrically Connected to Case: COLLECTOR. 7 total characteristics are documented in the Federal Logistics Information System.

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