PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

531-231-004Transistor

Elettronica Gmbh · NSN 5961-00-902-7478 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-902-7478 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-902-7478. Primary manufacturer part number: 531-231-004.
Features
  • Transistor — FSC 5961
  • Terminal Type and Quantity: 1 INSULATED WIRE LEAD OR 3 INSULATED WIRE LEAD
  • Nondefinitive Spec/std Data: 2N2857 TYPE
  • Internal Junction Configuration: NPN
  • Features Provided: HERMETICALLY SEALED CASE
  • Semiconductor Material: SILICON
  • Internal Configuration: JUNCTION CONTACT
  • 14 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-902-7478, 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 Elettronica Gmbh. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-902-7478
Primary Part Number531-231-004
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerElettronica Gmbh
StatusCANCELLED
Terminal Type and Quantity1 INSULATED WIRE LEAD OR 3 INSULATED WIRE LEAD
Nondefinitive Spec/std Data2N2857 TYPE
Internal Junction ConfigurationNPN
Features ProvidedHERMETICALLY SEALED CASE
Semiconductor MaterialSILICON
Internal ConfigurationJUNCTION CONTACT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5961-00-001-7339SM-A-696869-5 INTERCHANGEABLE
Transistor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5961-00-001-7340SM-A-696869-7 INTERCHANGEABLE
Transistor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5961-00-133-2983 INTERCHANGEABLE
Transistor
5961-00-137-2340SM-A-696869-1 INTERCHANGEABLE
Transistor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5961-00-360-945411733652 INTERCHANGEABLE
Transistor
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5961-00-734-7629SM-A-696869-2 INTERCHANGEABLE
Transistor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5961-00-926-7294 INTERCHANGEABLE
Transistor
5961-01-005-9744151-0441-00 INTERCHANGEABLE
Transistor
Tektronix, Inc.
5961-01-096-78464044144-0701A INTERCHANGEABLE
Transistor
Amphenol Corp Div Amphenol Aerospace Operations
4220-01-580-8961580.150 INTERCHANGEABLE
Weight Belt
Aqualung Usa, Inc
Cross-Reference Index
Part NumberManufacturer
531-231-004 Elettronica Gmbh (DEU)
8545222-1 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
352-0792-011 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
2N2857 Rca Corp Distribution and Special Products (USA)
580-150 Ampex Systems Corp (USA)
2N2857 Lacon Electronic Gmbh (DEU)
2N2857A Adelco Elektronik Gmbh (DEU)
2N2857 Electronic Industries Association
417-9-98260-001 Bae Systems Integrated System Technologies Ltd (GBR)
2N2857 Alpine Industries Inc (USA)
531-231-004 Elettronica Spa (ITA)
5800583-949000-104 Hensoldt Sensors Gmbh (DEU)
2N2857 Adelco Elektronik Gmbh (DEU)
417-9-98260-001 G E C Marconi Defence Systems Ltd (GBR)
Related Parts
5961-00-001-7339INTERCHANGEABLE
TRANSISTOR
SM-A-696869-5
5961-00-001-7340INTERCHANGEABLE
TRANSISTOR
SM-A-696869-7
5961-00-133-2983INTERCHANGEABLE
TRANSISTOR
5961-00-137-2340INTERCHANGEABLE
TRANSISTOR
SM-A-696869-1
5961-00-360-9454INTERCHANGEABLE
TRANSISTOR
11733652
5961-00-734-7629INTERCHANGEABLE
TRANSISTOR
SM-A-696869-2
5961-00-926-7294INTERCHANGEABLE
TRANSISTOR
5961-01-005-9744INTERCHANGEABLE
TRANSISTOR
151-0441-00
5961-01-096-7846INTERCHANGEABLE
TRANSISTOR
4044144-0701A
4220-01-580-8961INTERCHANGEABLE
WEIGHT BELT
580.150

Frequently Asked Questions

What is NSN 5961-00-902-7478?

NSN 5961-00-902-7478 is a Transistor, manufactured by Elettronica Gmbh, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-902-7478?

NSN 5961-00-902-7478 has 14 cross-referenced part numbers: 531-231-004 (Elettronica Gmbh), 8545222-1 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 352-0792-011 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), 2N2857 (Rca Corp Distribution and Special Products), 580-150 (Ampex Systems Corp) and 9 more.

What NSN replaces 5961-00-902-7478?

There are 10 known substitutes for 5961-00-902-7478: 5961-00-001-7339, 5961-00-001-7340, 5961-00-133-2983 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 531-231-004?

Key specifications for 531-231-004: Terminal Type and Quantity: 1 INSULATED WIRE LEAD OR 3 INSULATED WIRE LEAD; Nondefinitive Spec/std Data: 2N2857 TYPE; Internal Junction Configuration: NPN; Features Provided: HERMETICALLY SEALED CASE. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-902-7478 still in active supply?

NSN 5961-00-902-7478 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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