PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4828-257501Semiconductor Devices,unitized

Fluke Corp · NSN 5961-00-144-2468 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-144-2468 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-144-2468. Primary manufacturer part number: 4828-257501.
Features
  • Semiconductor Devices,unitized — FSC 5961
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Component Name and Quantity: 2 TRANSISTOR
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Overall Diameter: 0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
  • Mounting Method: TERMINAL
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Type and Quantity: 6 UNINSULATED WIRE LEAD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Devices,unitized, cataloged under National Stock Number 5961-00-144-2468, 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 Fluke Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-144-2468
Primary Part Number4828-257501
Item NameSemiconductor Devices,unitized
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFluke Corp
StatusACTIVE
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Component Name and Quantity2 TRANSISTOR
Terminal Length0.500 INCHES MINIMUM IN
Overall Diameter0.209 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Features ProvidedHERMETICALLY SEALED CASE
Terminal Type and Quantity6 UNINSULATED WIRE LEAD
Voltage Rating in Volts Per Characteristic-20.0 MAXIMUM GATE TO SOURCE VOLTAGE ALL TRANSISTOR
Current Rating Per Characteristic10.00 MILLIAMPERES MAXIMUM DRAIN CURRENT ALL TRANSISTOR
Maximum Operating Temp Per Measurement Point125.0 CELSIUS AMBIENT AIR DEGC
Power Rating Per Characteristic200.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION ALL TRANSISTOR
Semiconductor MaterialSILICON ALL TRANSISTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-200-9750 INTERCHANGEABLE
Semiconductor Devices,unitized
5961-00-256-00612N5197 INTERCHANGEABLE
Semiconductor Devices,unitized
Vishay Intertechnology, Inc.
5910-00-476-5012257501 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Cae Usa Inc.
4820-01-379-2116 INTERCHANGEABLE
Valve,check
2540-01-554-5624FD1659 INTERCHANGEABLE
Guard,splash,vehicular
Critical Solutions International, Llc
Cross-Reference Index
Part NumberManufacturer
349687 Safran Transmission Systems (FRA)
63A133593P13 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
LS840 Linear Integrated Systems Incorporated Dba Linear Integrated Systems Inc Div Linear Integrated Systems, Inc. (USA)
DN423 Siliconix Incorporated Div Siliconix (USA)
FD1660 Solitron Devices, Inc. (USA)
2N5197 Siliconix Incorporated Div Siliconix (USA)
SU2420 Crystalonics, Inc. (USA)
4828-257501 PRIMARY Fluke Corp (USA)
257501 Fluke Corp (USA)
Related Parts
5961-00-200-9750INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
5961-00-256-0061INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
2N5197
5910-00-476-5012INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
257501
4820-01-379-2116INTERCHANGEABLE
VALVE,CHECK
2540-01-554-5624INTERCHANGEABLE
GUARD,SPLASH,VEHICULAR
FD1659

Frequently Asked Questions

What is NSN 5961-00-144-2468?

NSN 5961-00-144-2468 is a Semiconductor Devices,unitized, manufactured by Fluke Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-144-2468?

NSN 5961-00-144-2468 has 9 cross-referenced part numbers: 349687 (Safran Transmission Systems), 63A133593P13 (Lockheed Martin Corporation Div Rotary and Mission Systems), LS840 (Linear Integrated Systems Incorporated Dba Linear Integrated Systems Inc Div Linear Integrated Systems, Inc.), DN423 (Siliconix Incorporated Div Siliconix), FD1660 (Solitron Devices, Inc.) and 4 more.

What NSN replaces 5961-00-144-2468?

There are 5 known substitutes for 5961-00-144-2468: 5961-00-200-9750, 5961-00-256-0061, 5910-00-476-5012 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4828-257501?

Key specifications for 4828-257501: Terminal Circle Diameter: 0.100 INCHES NOMINAL IN; Component Name and Quantity: 2 TRANSISTOR; Terminal Length: 0.500 INCHES MINIMUM IN; Overall Length: 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN. 13 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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