PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

247ASC0644-001Transistor

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 5961-00-535-4500 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-535-4500 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-535-4500. Primary manufacturer part number: 247ASC0644-001.
Features
  • Transistor — FSC 5961
  • Semiconductor Material: SILICON
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Current Rating Per Characteristic: 800.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Internal Junction Configuration: NPN
  • Features Provided: HERMETICALLY SEALED CASE
  • Internal Configuration: JUNCTION CONTACT
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-18
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-535-4500, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-535-4500
Primary Part Number247ASC0644-001
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Semiconductor MaterialSILICON
Terminal Length0.500 INCHES MINIMUM IN
Current Rating Per Characteristic800.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Internal Junction ConfigurationNPN
Features ProvidedHERMETICALLY SEALED CASE
Internal ConfigurationJUNCTION CONTACT
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-18
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Overall Diameter0.220 INCHES NOMINAL IN
Voltage Rating in Volts Per Characteristic30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
Power Rating Per Characteristic500.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Mounting MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5961-00-058-629648-36465A01 INTERCHANGEABLE
Semiconductor Device Set
General Dynamics Mission Systems, Inc. Dba Gdms
5961-00-138-1132T065-502-0001 INTERCHANGEABLE
Transistor
L3harris Interstate Electronics Corporation
5961-00-164-172980001-12 INTERCHANGEABLE
Transistor
General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations
5961-00-226-67652N2222 INTERCHANGEABLE
Transistor
Texas Instruments Incorporated
5961-00-724-2093019-003675-250 INTERCHANGEABLE
Transistor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5961-00-858-3826 INTERCHANGEABLE
Transistor
5961-00-903-78220481-0021 INTERCHANGEABLE
Transistor
Bayly Networks, Inc. Dba Coastcom Networks
5961-00-931-27662N2222 INTERCHANGEABLE
Transistor
New Jersey Semi-Conductor Products, Inc.
5961-00-936-99522N2222 INTERCHANGEABLE
Transistor
Texas Instruments Incorporated
5961-00-992-3491419533-6 INTERCHANGEABLE
Transistor
Texas Instruments Incorporated
Cross-Reference Index
Part NumberManufacturer
247ASC0644-001 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
2N2222 Freescale Semiconductor, Inc. (USA)
2N2222 Fairchild Semiconductor Corp (USA)
Related Parts
5961-00-058-6296INTERCHANGEABLE
SEMICONDUCTOR DEVICE SET
48-36465A01
5961-00-138-1132INTERCHANGEABLE
TRANSISTOR
T065-502-0001
5961-00-164-1729INTERCHANGEABLE
TRANSISTOR
80001-12
5961-00-226-6765INTERCHANGEABLE
TRANSISTOR
2N2222
5961-00-724-2093INTERCHANGEABLE
TRANSISTOR
019-003675-250
5961-00-858-3826INTERCHANGEABLE
TRANSISTOR
5961-00-903-7822INTERCHANGEABLE
TRANSISTOR
0481-0021
5961-00-931-2766INTERCHANGEABLE
TRANSISTOR
2N2222
5961-00-936-9952INTERCHANGEABLE
TRANSISTOR
2N2222
5961-00-992-3491INTERCHANGEABLE
TRANSISTOR
419533-6
5961-01-083-2461INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-535-4500?

NSN 5961-00-535-4500 is a Transistor, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-535-4500?

NSN 5961-00-535-4500 has 3 cross-referenced part numbers: 247ASC0644-001 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 2N2222 (Freescale Semiconductor, Inc.), 2N2222 (Fairchild Semiconductor Corp).

What NSN replaces 5961-00-535-4500?

There are 11 known substitutes for 5961-00-535-4500: 5961-00-058-6296, 5961-00-138-1132, 5961-00-164-1729 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 247ASC0644-001?

Key specifications for 247ASC0644-001: Semiconductor Material: SILICON; Terminal Length: 0.500 INCHES MINIMUM IN; Current Rating Per Characteristic: 800.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC; Internal Junction Configuration: NPN. 15 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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