PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-S-19500/551Semiconductor Device,diode

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-270-3570 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-270-3570 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-270-3570. Primary manufacturer part number: MIL-S-19500/551.
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.).
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Material: GLASS ENCLOSURE
  • Material: SILICON SEMICONDUCTOR
  • Specification/standard Data: 81349-MIL-S-19500/551 GOVERNMENT SPECIFICATION
  • Mounting Method: TERMINAL
  • Features Provided: HERMETICALLY SEALED CASE AND QUALITY ASSURANCE LEVEL S
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Glass Enclosure construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-270-3570, 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 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-270-3570
Primary Part NumberMIL-S-19500/551
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.).
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialGLASS ENCLOSURE
MaterialSILICON SEMICONDUCTOR
Specification/standard Data81349-MIL-S-19500/551 GOVERNMENT SPECIFICATION
Mounting MethodTERMINAL
Features ProvidedHERMETICALLY SEALED CASE AND QUALITY ASSURANCE LEVEL S
Terminal Length1.300 INCHES MAXIMUM IN
Current Rating Per Characteristic1.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT
Voltage Rating in Volts Per Characteristic33.0 MINIMUM BREAKDOWN VOLTAGE, DC
Function for Which DesignedTRANSIENT SUPPRESSOR
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Power Rating Per Characteristic500.0 WATTS MAXIMUM REVERSE POWER DISSIPATION, DC
Overall Diameter0.140 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-01-157-5978 INTERCHANGEABLE
Semiconductor Devices,unitized
5961-01-203-5800 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-215-1555 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-215-1556 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-215-3241 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-234-7240 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-251-4379 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-273-8019 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-301-4125 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-301-4126 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
MIL-S-19500/551 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN1N6466 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/551 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-01-157-5978INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
5961-01-203-5800INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-215-1555INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-215-1556INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-215-3241INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-234-7240INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-251-4379INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-273-8019INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-301-4125INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-301-4126INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-301-5551INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-341-7381INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-270-3570?

NSN 5961-01-270-3570 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 5961-01-270-3570?

NSN 5961-01-270-3570 has 3 cross-referenced part numbers: MIL-S-19500/551 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JAN1N6466 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-19500/551 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-01-270-3570?

There are 12 known substitutes for 5961-01-270-3570: 5961-01-157-5978, 5961-01-203-5800, 5961-01-215-1555 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-S-19500/551?

Key specifications for MIL-S-19500/551: 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.).; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Material: GLASS ENCLOSURE; Material: SILICON SEMICONDUCTOR. 15 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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