PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5-1881Transistor

Bird Electronic Corporation Div Bird Electronic Corp · NSN 5961-01-027-5746 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-027-5746 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-027-5746. Primary manufacturer part number: 5-1881.
Features
  • Transistor — FSC 5961
  • Mounting Method: TERMINAL
  • Current Rating Per Characteristic: 50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Specification/standard Data: 80131-RELEASE6378 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Overall Diameter: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
  • Internal Configuration: JUNCTION CONTACT
  • Terminal Type and Quantity: 4 UNINSULATED WIRE LEAD
  • Features Provided: HERMETICALLY SEALED CASE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-027-5746, 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 Bird Electronic Corporation Div Bird Electronic Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN5961-01-027-5746
Primary Part Number5-1881
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerBird Electronic Corporation Div Bird Electronic Corp
StatusCANCELLED
Mounting MethodTERMINAL
Current Rating Per Characteristic50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Specification/standard Data80131-RELEASE6378 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Overall Diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
Internal ConfigurationJUNCTION CONTACT
Terminal Type and Quantity4 UNINSULATED WIRE LEAD
Features ProvidedHERMETICALLY SEALED CASE
Semiconductor MaterialSILICON
Voltage Rating in Volts Per Characteristic30.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 15.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 3.5 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Power Rating Per Characteristic200.0 MILLIWATTS MAXIMUM COLLECTOR POWER DISSIPATION
Terminal Length0.500 INCHES MINIMUM IN
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-080-9142200212 INTERCHANGEABLE
Retainer,packing
Huck International, Inc
3110-00-144-8589 INTERCHANGEABLE
Bearing,ball,annular
5133-00-228-1415 INTERCHANGEABLE
Drill,twist
5360-00-246-9884855075 INTERCHANGEABLE
Spring,helical,extension
Dana Off Highway Products, Llc
5935-00-581-494533-5188-1 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
5342-00-824-535351881 INTERCHANGEABLE
Bracket,wheel Mounting
Aerol Llc
1680-00-858-45165188-1 INTERCHANGEABLE
Back Assembly,seat
Lockheed Martin Corp
6850-01-005-2928 INTERCHANGEABLE
Toner,concentrate
5310-01-020-4677107003-127 INTERCHANGEABLE
Washer,lock
Raytheon Company
5961-01-033-6415 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N6305 Electronic Industries Association
2N6305 Freescale Semiconductor, Inc. (USA)
5-1881 PRIMARY Bird Electronic Corporation Div Bird Electronic Corp (USA)
2N6305 Fairchild Semiconductor Corp (USA)
200212 Astronics Test Systems Inc (USA)
RELEASE6378 Electronic Industries Association
Related Parts
5330-00-080-9142INTERCHANGEABLE
RETAINER,PACKING
200212
3110-00-144-8589INTERCHANGEABLE
BEARING,BALL,ANNULAR
5133-00-228-1415INTERCHANGEABLE
DRILL,TWIST
5360-00-246-9884INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
855075
5935-00-581-4945INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
33-5188-1
5342-00-824-5353INTERCHANGEABLE
BRACKET,WHEEL MOUNTING
51881
1680-00-858-4516INTERCHANGEABLE
BACK ASSEMBLY,SEAT
5188-1
6850-01-005-2928INTERCHANGEABLE
TONER,CONCENTRATE
5310-01-020-4677INTERCHANGEABLE
WASHER,LOCK
107003-127
5961-01-033-6415INTERCHANGEABLE
TRANSISTOR
5995-01-073-7428INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
11776963
4330-01-121-6350INTERCHANGEABLE
PARTS KIT,FLUID PRESSURE FILTER
12360651

Frequently Asked Questions

What is NSN 5961-01-027-5746?

NSN 5961-01-027-5746 is a Transistor, manufactured by Bird Electronic Corporation Div Bird Electronic Corp, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-01-027-5746?

NSN 5961-01-027-5746 has 6 cross-referenced part numbers: 2N6305 (Electronic Industries Association), 2N6305 (Freescale Semiconductor, Inc.), 5-1881 (Bird Electronic Corporation Div Bird Electronic Corp), 2N6305 (Fairchild Semiconductor Corp), 200212 (Astronics Test Systems Inc) and 1 more.

What NSN replaces 5961-01-027-5746?

There are 12 known substitutes for 5961-01-027-5746: 5330-00-080-9142, 3110-00-144-8589, 5133-00-228-1415 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5-1881?

Key specifications for 5-1881: Mounting Method: TERMINAL; Current Rating Per Characteristic: 50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC; Specification/standard Data: 80131-RELEASE6378 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; Overall Length: 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-027-5746 still in active supply?

NSN 5961-01-027-5746 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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