PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-10257Semiconductor Device,diode

California Instruments Corp · NSN 5961-01-240-0457 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-240-0457 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-240-0457. Primary manufacturer part number: 3-10257.
Features
  • Semiconductor Device,diode — FSC 5961
  • Overall Diameter: 0.667 INCHES MAXIMUM IN
  • Mounting Facility Quantity: 1
  • Terminal Type and Quantity: 1 TAB, SOLDER LUG AND 1 THREADED STUD
  • Nominal Thread Size: 0.250 INCHES IN
  • Material: SILICON SEMICONDUCTOR
  • Thread Series Designator: UNF
  • Voltage Rating in Volts Per Characteristic: 150.0 NOMINAL REPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Silicon Semiconductor construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-240-0457, 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 California Instruments Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-240-0457
Primary Part Number3-10257
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerCalifornia Instruments Corp
StatusACTIVE
Overall Diameter0.667 INCHES MAXIMUM IN
Mounting Facility Quantity1
Terminal Type and Quantity1 TAB, SOLDER LUG AND 1 THREADED STUD
Nominal Thread Size0.250 INCHES IN
MaterialSILICON SEMICONDUCTOR
Thread Series DesignatorUNF
Voltage Rating in Volts Per Characteristic150.0 NOMINAL REPETITIVE PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE
Features ProvidedREVERSE POLARITY
Current Rating Per Characteristic20.00 AMPERES NOMINAL AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Mounting MethodTHREADED STUD(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-043-14021N1188RA INTERCHANGEABLE
Semiconductor Device,diode
Semitronics Corp
5961-00-244-6930 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
3-10257 California Instruments Corp (USA)
3-10257 Ametek Programmable Power, Inc. (USA)
1N1193R Freescale Semiconductor, Inc. (USA)
Related Parts
5961-00-043-1402INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N1188RA
5961-00-244-6930INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-240-0457?

NSN 5961-01-240-0457 is a Semiconductor Device,diode, manufactured by California Instruments Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-240-0457?

NSN 5961-01-240-0457 has 3 cross-referenced part numbers: 3-10257 (California Instruments Corp), 3-10257 (Ametek Programmable Power, Inc.), 1N1193R (Freescale Semiconductor, Inc.).

What NSN replaces 5961-01-240-0457?

There are 2 known substitutes for 5961-01-240-0457: 5961-00-043-1402, 5961-00-244-6930. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-10257?

Key specifications for 3-10257: Overall Diameter: 0.667 INCHES MAXIMUM IN; Mounting Facility Quantity: 1; Terminal Type and Quantity: 1 TAB, SOLDER LUG AND 1 THREADED STUD; Nominal Thread Size: 0.250 INCHES IN. 11 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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