PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-19500/550Semiconductor Device,diode

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-366-7939 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-366-7939 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-366-7939. Primary manufacturer part number: MIL-PRF-19500/550.
Features
  • Semiconductor Device,diode — FSC 5961
  • Test Data Document: 81349-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.).
  • Thread Series Designator: UNF
  • Material: SILICON SEMICONDUCTOR
  • Specification/standard Data: 81349-MIL-S-19500/550 GOVERNMENT SPECIFICATION
  • Terminal Type and Quantity: 1 TAB, SOLDER LUG AND 1 THREADED STUD
  • Precious Material: GOLD
  • Precious Material and Location: TERMINALS GOLD
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 5961-01-366-7939, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-366-7939
Primary Part NumberMIL-PRF-19500/550
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
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.).
Thread Series DesignatorUNF
MaterialSILICON SEMICONDUCTOR
Specification/standard Data81349-MIL-S-19500/550 GOVERNMENT SPECIFICATION
Terminal Type and Quantity1 TAB, SOLDER LUG AND 1 THREADED STUD
Precious MaterialGOLD
Precious Material and LocationTERMINALS GOLD
Thread Quantity Per Inch28
Terminal Length0.550 INCHES MAXIMUM IN
Current Rating Per Characteristic70.00 AMPERES NOMINAL AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 50-HZ CYCLE
Overall Width Across Flats0.669 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
Joint Electronic Device Engineering Council/jedec/case Outline DesignationDO-203AB
Voltage Rating in Volts Per Characteristic50.0 NOMINAL REVERSE VOLTAGE, INSTANTANEOUS
Nominal Thread Size0.250 INCHES IN
Mounting Facility Quantity1
Mounting MethodTHREADED STUD(S)
Overall Diameter0.667 INCHES MAXIMUM IN
Features ProvidedGOLD PLATED LEADS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5961-01-187-8070 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-187-8075 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-187-8077 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-194-1633 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-197-9482 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-198-7033 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-207-9577 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-228-5607 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-332-4574 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-481-6607 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-19500/550 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/550 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN1N6304R Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-01-187-8070INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-187-8075INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-187-8077INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-194-1633INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-197-9482INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-198-7033INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-207-9577INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-228-5607INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-332-4574INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-481-6607INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-366-7939?

NSN 5961-01-366-7939 is a Semiconductor Device,diode, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-366-7939?

NSN 5961-01-366-7939 has 3 cross-referenced part numbers: MIL-PRF-19500/550 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/550 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JAN1N6304R (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-01-366-7939?

There are 10 known substitutes for 5961-01-366-7939: 5961-01-187-8070, 5961-01-187-8075, 5961-01-187-8077 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-19500/550?

Key specifications for MIL-PRF-19500/550: Test Data Document: 81349-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.).; Thread Series Designator: UNF; Material: SILICON SEMICONDUCTOR; Specification/standard Data: 81349-MIL-S-19500/550 GOVERNMENT SPECIFICATION. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com