PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

657991Transistor

Cae Usa Inc. · NSN 5961-00-110-9356 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-110-9356 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-110-9356. Primary manufacturer part number: 657991.
Features
  • Transistor — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASE
  • Internal Configuration: FIELD EFFECT
  • Voltage Rating in Volts Per Characteristic: 40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
  • Current Rating Per Characteristic: 50.00 MILLIAMPERES MAXIMUM GATE CURRENT
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Mounting Method: TERMINAL
  • Overall Diameter: 0.230 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 5961-00-110-9356, 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 Cae Usa Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-110-9356
Primary Part Number657991
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerCae Usa Inc.
StatusCANCELLED
Features ProvidedHERMETICALLY SEALED CASE
Internal ConfigurationFIELD EFFECT
Voltage Rating in Volts Per Characteristic40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
Current Rating Per Characteristic50.00 MILLIAMPERES MAXIMUM GATE CURRENT
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Mounting MethodTERMINAL
Overall Diameter0.230 INCHES MAXIMUM IN
Terminal Length0.500 INCHES MINIMUM IN
Power Rating Per Characteristic1.8 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Semiconductor MaterialSILICON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5961-00-107-27392N4393 INTERCHANGEABLE
Transistor
Interfet Corporation
5961-00-227-40792N4391 INTERCHANGEABLE
Transistor
Siliconix Incorporated Div Siliconix
5961-00-824-52022N4392 INTERCHANGEABLE
Transistor
Solitron Devices, Inc.
5961-01-174-12192N4391-2 INTERCHANGEABLE
Transistor
Siliconix Incorporated Div Siliconix
2840-01-339-74902188130 INTERCHANGEABLE
Case,turbine,aircraft Gas Turbin
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5961-01-487-8616 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
657991 Cae Usa Inc. (USA)
0001-0068.333 Viavi Solutions Deutschland Gmbh (DEU)
804889 Nai Technologies Inc (USA)
185-2058P1-8608 General Electric Co Mobile Communications Business Div (USA)
2N4391 National Semiconductor Corporation (USA)
19A134093P1 General Electric Co Mobile Communications Business Div (USA)
1855-0420 Hewlett-Packard Company Dba HP (USA)
046759 Northrop Grumman Corp Electronic Systems Defensive System Div (USA)
2N4391 Union Carbide Corp Battery Products Div (USA)
RELEASE5345 Electronic Industries Association
2N4391 Telcom Semiconductor Inc (USA)
185-2058P1-426 General Electric Co Mobile Communications Business Div (USA)
657991 Raytheon Technical Services Company (USA)
2N4391 Electronic Industries Association
1992402-1 Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (USA)
FN815 Siliconix Incorporated Div Siliconix (USA)
352-0898-010 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
5961-00-107-2739INTERCHANGEABLE
TRANSISTOR
2N4393
5961-00-227-4079INTERCHANGEABLE
TRANSISTOR
2N4391
5961-00-824-5202INTERCHANGEABLE
TRANSISTOR
2N4392
5961-01-174-1219INTERCHANGEABLE
TRANSISTOR
2N4391-2
2840-01-339-7490INTERCHANGEABLE
CASE,TURBINE,AIRCRAFT GAS TURBIN
2188130
5961-01-487-8616INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-110-9356?

NSN 5961-00-110-9356 is a Transistor, manufactured by Cae Usa Inc., classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-110-9356?

NSN 5961-00-110-9356 has 17 cross-referenced part numbers: 657991 (Cae Usa Inc.), 0001-0068.333 (Viavi Solutions Deutschland Gmbh), 804889 (Nai Technologies Inc), 185-2058P1-8608 (General Electric Co Mobile Communications Business Div), 2N4391 (National Semiconductor Corporation) and 12 more.

What NSN replaces 5961-00-110-9356?

There are 6 known substitutes for 5961-00-110-9356: 5961-00-107-2739, 5961-00-227-4079, 5961-00-824-5202 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 657991?

Key specifications for 657991: Features Provided: HERMETICALLY SEALED CASE; Internal Configuration: FIELD EFFECT; Voltage Rating in Volts Per Characteristic: 40.0 MAXIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, GATE-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE; Current Rating Per Characteristic: 50.00 MILLIAMPERES MAXIMUM GATE CURRENT. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-110-9356 still in active supply?

NSN 5961-00-110-9356 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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