PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1831940-7Semiconductor Device,diode

Honeywell Intl Inc Defense Avionics Systems · NSN 5961-00-491-2317 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-491-2317 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-491-2317. Primary manufacturer part number: 1831940-7.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Specification/standard Data: 81349-MIL-S-19500/358 GOVERNMENT SPECIFICATION
  • Thread Series Designator: UNF
  • Overall Diameter: 0.667 INCHES MAXIMUM IN
  • Mounting Facility Quantity: 1
  • Mounting Method: THREADED STUD(S)
  • Nominal Thread Size: 0.250 INCHES IN
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 5961-00-491-2317, 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 Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-491-2317
Primary Part Number1831940-7
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerHoneywell Intl Inc Defense Avionics Systems
StatusCANCELLED
MaterialSILICON SEMICONDUCTOR
Specification/standard Data81349-MIL-S-19500/358 GOVERNMENT SPECIFICATION
Thread Series DesignatorUNF
Overall Diameter0.667 INCHES MAXIMUM IN
Mounting Facility Quantity1
Mounting MethodTHREADED STUD(S)
Nominal Thread Size0.250 INCHES IN
Voltage Rating in Volts Per Characteristic12.6 MAXIMUM BREAKDOWN VOLTAGE, DC
Overall Width Across Flats0.667 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Power Rating Per Characteristic50.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Maximum Operating Temp Per Measurement Point150.0 CELSIUS CASE DEGC
Current Rating Per Characteristic3970.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
Test Data Document81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Terminal Type and Quantity1 THREADED STUD AND 1 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5961-00-053-9437 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1831940-7 Honeywell Intl Inc Defense Avionics Systems (USA)
MILS19500-358 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1N3311 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/358 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1N3311A Freescale Semiconductor, Inc. (USA)
JAN1N3311A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1N3311B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1N3311B Freescale Semiconductor, Inc. (USA)
1N3311B Microsemi Corp.-Scottsdale Dba Microsemi (USA)
JAN1N3311B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1N3311BA Adelco Elektronik Gmbh (DEU)
013-646 Ampex Data Systems Corporation Dba Ampex Intelligent Systems (USA)
Related Parts
5961-00-053-9437INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-491-2317?

NSN 5961-00-491-2317 is a Semiconductor Device,diode, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-491-2317?

NSN 5961-00-491-2317 has 12 cross-referenced part numbers: 1831940-7 (Honeywell Intl Inc Defense Avionics Systems), MILS19500-358 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1N3311 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-19500/358 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1N3311A (Freescale Semiconductor, Inc.) and 7 more.

What NSN replaces 5961-00-491-2317?

There is 1 known substitute for 5961-00-491-2317: 5961-00-053-9437. Verify interchangeability with system specifications before substitution.

What are the specifications of 1831940-7?

Key specifications for 1831940-7: Material: SILICON SEMICONDUCTOR; Specification/standard Data: 81349-MIL-S-19500/358 GOVERNMENT SPECIFICATION; Thread Series Designator: UNF; Overall Length: 0.450 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-491-2317 still in active supply?

NSN 5961-00-491-2317 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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