PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HSM48-21-25173 PG6-9 REF VR2Semiconductor Device,diode

Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix · NSN 5961-00-082-4020 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-082-4020 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-082-4020. Primary manufacturer part number: HSM48-21-25173 PG6-9 REF VR2.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Length: 1.000 INCHES MINIMUM IN
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Power Rating Per Characteristic: 1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Mounting Method: TERMINAL
  • Voltage Rating in Volts Per Characteristic: 4.7 NOMINAL NOMINAL REGULATOR VOLTAGE
  • Function for Which Designed: ZENER DIODE
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC
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 5961-00-082-4020, 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 Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-082-4020
Primary Part NumberHSM48-21-25173 PG6-9 REF VR2
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerKepco, Inc. Dba Kepco Inc Div Kepco Dynatronix
StatusCANCELLED
Terminal Length1.000 INCHES MINIMUM IN
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Power Rating Per Characteristic1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Mounting MethodTERMINAL
Voltage Rating in Volts Per Characteristic4.7 NOMINAL NOMINAL REGULATOR VOLTAGE
Function for Which DesignedZENER DIODE
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Voltage Tolerance in Percent-5.0 TO 5.0
Overall Diameter0.215 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
Electrode Internally-Electrically Connected to CaseCATHODE
Current Rating Per Characteristic970.00 MILLIAMPERES MAXIMUM REVERSE CURRENT, INSTANTANEOUS AND 194.00 MILLIAMPERES MAXIMUM MAXIMUM DC CURRENT IN REVERSE BREAKDOWN REGION
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
Specification/standard Data81349-MIL-S-19500/115 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5961-00-237-1254 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-837-1396 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-839-8863 INTERCHANGEABLE
Semiconductor Device,diode
5945-00-908-9667900371-1 INTERCHANGEABLE
Relay,electromagnetic
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5961-01-028-7051L02258 INTERCHANGEABLE
Semiconductor Device,diode
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5961-01-076-8582 INTERCHANGEABLE
Semiconductor Device,diode
6750-01-386-6423 INTERCHANGEABLE
Film,photographic
5961-01-482-9245 INTERCHANGEABLE
Semiconductor Device,diode
5306-01-652-63071N-3825 INTERCHANGEABLE
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
HSM48-21-25173 PG6-9 REF VR2 Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix (USA)
1N3825A Freescale Semiconductor, Inc. (USA)
1N3825A Fairchild Semiconductor Corp (USA)
322-1186P1 Raytheon Company Div Corp (USA)
RD5A Nokia Nokia Services Limited (AUS)
HSM48-21-25173 PG6-36 REF VR1 Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix (USA)
4178600-326 Raytheon Company Div Rmd Strategic (USA)
1N3825 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTX1N3825 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5961PL1454552 Jednolity Indeks Materialowy - Uniform Material Index (POL)
8861277 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA)
SV804 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
113697-005 Tdk-Lambda Americas Inc. Div High Power Division (USA)
JAN1N3825A Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/115 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JAN1N3825A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
121-0091 Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix (USA)
1N3825 Freescale Semiconductor, Inc. (USA)
1N1519A Infineon Technologies Americas Corp (USA)
11Z4 Teledyne E2v Semiconductors SAS (FRA)
Related Parts
5961-00-237-1254INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-837-1396INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-839-8863INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5945-00-908-9667INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
900371-1
5961-01-028-7051INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
L02258
5961-01-076-8582INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
6750-01-386-6423INTERCHANGEABLE
FILM,PHOTOGRAPHIC
5961-01-482-9245INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5306-01-652-6307INTERCHANGEABLE
BOLT,MACHINE
1N-3825

Frequently Asked Questions

What is NSN 5961-00-082-4020?

NSN 5961-00-082-4020 is a Semiconductor Device,diode, manufactured by Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-082-4020?

NSN 5961-00-082-4020 has 26 cross-referenced part numbers: HSM48-21-25173 PG6-9 REF VR2 (Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix), 1N3825A (Freescale Semiconductor, Inc.), 1N3825A (Fairchild Semiconductor Corp), 322-1186P1 (Raytheon Company Div Corp), RD5A (Nokia Nokia Services Limited) and 21 more.

What NSN replaces 5961-00-082-4020?

There are 9 known substitutes for 5961-00-082-4020: 5961-00-237-1254, 5961-00-837-1396, 5961-00-839-8863 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HSM48-21-25173 PG6-9 REF VR2?

Key specifications for HSM48-21-25173 PG6-9 REF VR2: Terminal Length: 1.000 INCHES MINIMUM IN; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Power Rating Per Characteristic: 1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION; Mounting Method: TERMINAL. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-082-4020 still in active supply?

NSN 5961-00-082-4020 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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