PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

343ASemiconductor Device,diode

Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp · NSN 5961-00-027-9225 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-027-9225 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-027-9225. Primary manufacturer part number: 343A.
Features
  • Semiconductor Device,diode — FSC 5961
  • Overall Diameter: 0.021 INCHES MAXIMUM IN
  • Mounting Method: TERMINAL
  • Power Rating Per Characteristic: 200.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
  • Terminal Length: 1.000 INCHES MINIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS JUNCTION DEGC
  • Current Rating Per Characteristic: 7.50 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Silicon Semiconductor construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-027-9225, 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 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5961-00-027-9225
Primary Part Number343A
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerGilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp
StatusACTIVE
Overall Diameter0.021 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Power Rating Per Characteristic200.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Terminal Length1.000 INCHES MINIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic7.50 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
Voltage Rating in Volts Per Characteristic6.2 MAXIMUM NOMINAL REGULATOR VOLTAGE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6350-00-076-3315 INTERCHANGEABLE
Buzzer
6625-00-238-1283343A INTERCHANGEABLE
Calibrator,voltage
Fluke Corp
6625-00-793-1344343A INTERCHANGEABLE
Generator,noise
Keysight Technologies Inc
5915-01-079-4699343A INTERCHANGEABLE
Filter,crystal
Magnetika Inc Div Magnetika/phillipsburg Location
Cross-Reference Index
Part NumberManufacturer
343A PRIMARY Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
479-0024-001 The Boeing Company Div Legacy Boeing Hb1 (USA)
Related Parts
6350-00-076-3315INTERCHANGEABLE
BUZZER
6625-00-238-1283INTERCHANGEABLE
CALIBRATOR,VOLTAGE
343A
6625-00-793-1344INTERCHANGEABLE
GENERATOR,NOISE
343A
5915-01-079-4699INTERCHANGEABLE
FILTER,CRYSTAL
343A

Frequently Asked Questions

What is NSN 5961-00-027-9225?

NSN 5961-00-027-9225 is a Semiconductor Device,diode, manufactured by Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-027-9225?

NSN 5961-00-027-9225 has 2 cross-referenced part numbers: 343A (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp), 479-0024-001 (The Boeing Company Div Legacy Boeing Hb1).

What NSN replaces 5961-00-027-9225?

There are 4 known substitutes for 5961-00-027-9225: 6350-00-076-3315, 6625-00-238-1283, 6625-00-793-1344 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 343A?

Key specifications for 343A: Overall Diameter: 0.021 INCHES MAXIMUM IN; Mounting Method: TERMINAL; Power Rating Per Characteristic: 200.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION; Terminal Length: 1.000 INCHES MINIMUM IN. 11 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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