PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-958082-001Transistor

Lockheed Martin Librascope Corporation · NSN 5961-00-021-7849 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-021-7849 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-021-7849. Primary manufacturer part number: 1-958082-001.
Features
  • Transistor — FSC 5961
  • Specification/standard Data: 80131-RELEASE5285 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Terminal Length: 0.400 INCHES MINIMUM IN
  • Mounting Method: TERMINAL
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
  • Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS JUNCTION DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-021-7849, 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 Lockheed Martin Librascope Corporation. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 30 commercial cross-references from 22 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
NSN5961-00-021-7849
Primary Part Number1-958082-001
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerLockheed Martin Librascope Corporation
StatusCANCELLED
Specification/standard Data80131-RELEASE5285 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Terminal Length0.400 INCHES MINIMUM IN
Mounting MethodTERMINAL
Features ProvidedHERMETICALLY SEALED CASE
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Maximum Operating Temp Per Measurement Point125.0 CELSIUS JUNCTION DEGC
Semiconductor MaterialSILICON
Internal ConfigurationJUNCTION CONTACT
Power Rating Per Characteristic0.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
Voltage Rating in Volts Per Characteristic40.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH BASE SHORT-CIRCUITED TO EMITTER AND 40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Overall Diameter0.185 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
Current Rating Per Characteristic100.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-155-61881-73309 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5133-00-189-9256 INTERCHANGEABLE
Drill,twist
3610-00-225-4157 INTERCHANGEABLE
Driver
5961-00-246-2427 INTERCHANGEABLE
Transistor
5998-00-248-1510122533 INTERCHANGEABLE
Circuit Card Assembly
Astronautics Corporation of America
5330-00-285-944211119 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
3120-00-395-60025L9D INTERCHANGEABLE
Bearing,sleeve
Thomson Industries Inc
3120-00-424-541711-119 INTERCHANGEABLE
Bearing,sleeve
Dresser Industries Inc Leroi Div
5961-00-487-8132200022 INTERCHANGEABLE
Transistor
Astronics Test Systems Inc
6685-00-515-4595 INTERCHANGEABLE
Indicator,pressure
Cross-Reference Index
Part NumberManufacturer
1-958082-001 Lockheed Martin Librascope Corporation (USA)
8210-1135 Genrad Inc (USA)
RELEASE5285 Electronic Industries Association
352146 Fluke Corp (USA)
2N4250 Fairchild Semiconductor Corp (USA)
2N4250 Electronic Industries Association
ST62122 National Semiconductor Corporation (USA)
962-425-00 Emerson Electric Co Doric Scientific Div (USA)
15-011 N H Research, Llc Dba Nh Research Llc (USA)
PN4250-18 Fairchild Semiconductor Corp (USA)
1853-0066 Hewlett-Packard Company Dba HP (USA)
380-0091-000 Hbc Solutions, Inc. Dba Harris Broadcast (USA)
174-70464-33 Gte Communication Systems Corp (USA)
11119 Giga-Tronics Incorporated Dba Giga-Tronics (USA)
RD-516/U Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services (USA)
S26001 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
JAN2N4250 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N4250 General Electric Co Semi-Conductor Products Dept (USA)
5961PL1360113 Jednolity Indeks Materialowy - Uniform Material Index (POL)
2N4250 Adelco Elektronik Gmbh (DEU)
Related Parts
3110-00-155-6188INTERCHANGEABLE
BEARING,BALL,ANNULAR
1-73309
5133-00-189-9256INTERCHANGEABLE
DRILL,TWIST
3610-00-225-4157INTERCHANGEABLE
DRIVER
5961-00-246-2427INTERCHANGEABLE
TRANSISTOR
5998-00-248-1510INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
122533
5330-00-285-9442INTERCHANGEABLE
SEAL,PLAIN ENCASED
11119
3120-00-395-6002INTERCHANGEABLE
BEARING,SLEEVE
5L9D
3120-00-424-5417INTERCHANGEABLE
BEARING,SLEEVE
11-119
5961-00-487-8132INTERCHANGEABLE
TRANSISTOR
200022
6685-00-515-4595INTERCHANGEABLE
INDICATOR,PRESSURE
3120-00-674-6090INTERCHANGEABLE
BEARING,MONITOR
11119
5961-00-780-8368INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-021-7849?

NSN 5961-00-021-7849 is a Transistor, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-021-7849?

NSN 5961-00-021-7849 has 30 cross-referenced part numbers: 1-958082-001 (Lockheed Martin Librascope Corporation), 8210-1135 (Genrad Inc), RELEASE5285 (Electronic Industries Association), 352146 (Fluke Corp), 2N4250 (Fairchild Semiconductor Corp) and 25 more.

What NSN replaces 5961-00-021-7849?

There are 12 known substitutes for 5961-00-021-7849: 3110-00-155-6188, 5133-00-189-9256, 3610-00-225-4157 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-958082-001?

Key specifications for 1-958082-001: Specification/standard Data: 80131-RELEASE5285 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Terminal Length: 0.400 INCHES MINIMUM IN; Mounting Method: TERMINAL. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-021-7849 still in active supply?

NSN 5961-00-021-7849 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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