PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-S-19500/127Semiconductor Device,diode

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-206-3973 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-206-3973 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-206-3973. Primary manufacturer part number: MIL-S-19500/127.
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.).
  • Material: SILICON SEMICONDUCTOR
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Specification/standard Data: 81349-MIL-S-19500/127 GOVERNMENT SPECIFICATION
  • Material: GLASS ENCLOSURE
  • Power Rating Per Characteristic: 500.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
  • Function for Which Designed: ZENER DIODE
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 5961-01-206-3973, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 35 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-01-206-3973
Primary Part NumberMIL-S-19500/127
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
StatusCANCELLED
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.).
MaterialSILICON SEMICONDUCTOR
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Specification/standard Data81349-MIL-S-19500/127 GOVERNMENT SPECIFICATION
MaterialGLASS ENCLOSURE
Power Rating Per Characteristic500.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Function for Which DesignedZENER DIODE
Voltage Rating in Volts Per Characteristic6.2 NOMINAL NOMINAL REGULATOR VOLTAGE
Overall Diameter0.055 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Current Rating Per Characteristic65.00 MILLIAMPERES MAXIMUM MAXIMUM DC CURRENT IN REVERSE BREAKDOWN REGION
Terminal Length1.000 INCHES MINIMUM IN
Voltage Tolerance in Percent-5.0 TO 5.0
Mounting MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-044-4545 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-104-1399 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-134-68611N753 INTERCHANGEABLE
Semiconductor Device,diode
Texas Instruments Incorporated
5961-00-407-451150240108 INTERCHANGEABLE
Semiconductor Device,diode
Syntegra / Usa/ Inc Computer Parts and Supplies ARH205
5961-00-432-018610668604-002 INTERCHANGEABLE
Semiconductor Device,diode
Us Army Aviation and Missile Command
5961-00-469-9938353-2980-001 INTERCHANGEABLE
Semiconductor Device,diode
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5961-00-712-39731N753 INTERCHANGEABLE
Semiconductor Device,diode
Raytheon Company Dba Raytheon
5961-00-719-43551N753A INTERCHANGEABLE
Semiconductor Device,diode
Texas Instruments Incorporated
5961-00-730-4943 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-752-0179 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
MIL-S-19500/127 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1N753A1 Freescale Semiconductor, Inc. (USA)
215472-0022 Lucent Technologies Inc Dba Federal Marketing Group (USA)
5E4820/51-1011 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
1N753 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
479-1503-002 The Boeing Company Div Legacy Boeing Hb1 (USA)
1N753B General Semiconductor Industries Inc (USA)
1N753A Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
1N753 Joint Electron Device Engineering Council
43A134446P086 Honeywell Inc Honeywell Information Systems Inc Large Information Systems Div (USA)
20-01284-027 Raytheon Company (USA)
JAN1N753A Stacor Corp (USA)
995-9502-026 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
418715-59 Raytheon Company Dba Raytheon (USA)
1N753A Infineon Technologies Americas Corp (USA)
IN753 Texas Instruments Incorporated (USA)
USN1N753A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
720192 Systron-Donner Corp Microwave/instrument Div (USA)
1N753A Joint Electron Device Engineering Council
1N753 Diodes Inc (USA)
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Frequently Asked Questions

What is NSN 5961-01-206-3973?

NSN 5961-01-206-3973 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: cancelled.

What are the part numbers for NSN 5961-01-206-3973?

NSN 5961-01-206-3973 has 50 cross-referenced part numbers: MIL-S-19500/127 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1N753A1 (Freescale Semiconductor, Inc.), 215472-0022 (Lucent Technologies Inc Dba Federal Marketing Group), 5E4820/51-1011 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 1N753 (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp) and 45 more.

What NSN replaces 5961-01-206-3973?

There are 12 known substitutes for 5961-01-206-3973: 5961-00-044-4545, 5961-00-104-1399, 5961-00-134-6861 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-S-19500/127?

Key specifications for MIL-S-19500/127: 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.).; Material: SILICON SEMICONDUCTOR; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Specification/standard Data: 81349-MIL-S-19500/127 GOVERNMENT SPECIFICATION. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-206-3973 still in active supply?

NSN 5961-01-206-3973 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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