PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

251210-13Semiconductor Device,diode

Sypris Electronics, Llc · NSN 5961-00-139-1350 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-139-1350 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-139-1350. Primary manufacturer part number: 251210-13.
Features
  • Semiconductor Device,diode — FSC 5961
  • Overall Diameter: 0.420 INCHES MAXIMUM IN
  • Electrode Internally-Electrically Connected to Case: CATHODE
  • Terminal Length: 1.000 INCHES MINIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Mounting Method: TERMINAL
  • Current Rating Per Characteristic: 3.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
  • Voltage Rating in Volts Per Characteristic: 200.0 MAXIMUM REVERSE VOLTAGE, PEAK
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 5961-00-139-1350, 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 Sypris Electronics, Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-139-1350
Primary Part Number251210-13
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSypris Electronics, Llc
StatusACTIVE
Overall Diameter0.420 INCHES MAXIMUM IN
Electrode Internally-Electrically Connected to CaseCATHODE
Terminal Length1.000 INCHES MINIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Mounting MethodTERMINAL
Current Rating Per Characteristic3.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Voltage Rating in Volts Per Characteristic200.0 MAXIMUM REVERSE VOLTAGE, PEAK
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Test Data Document19315-1942450 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5961-00-127-0713D22-0004-001 INTERCHANGEABLE
Semiconductor Device,diode
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
5961-00-450-0922 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-906-2885MR1032A INTERCHANGEABLE
Semiconductor Device,diode
Freescale Semiconductor, Inc.
5961-00-929-49751N4721 INTERCHANGEABLE
Semiconductor Device,diode
Semitronics Corp
5961-01-051-86174832743-1 INTERCHANGEABLE
Semiconductor Device,diode
Kalmar AC Inc
5961-01-063-9272152-0198-01 INTERCHANGEABLE
Semiconductor Device,diode
Tektronix, Inc.
5961-01-117-26414812006 INTERCHANGEABLE
Semiconductor Device,diode
Kalmar AC Inc
5961-01-451-2634 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
251210-13 Sypris Electronics, Llc (USA)
1942450-2 Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA)
767684 The Johns Hopkins University Applied Physics Laboratory Llc (USA)
1N4721 Solitron Devices, Inc. (USA)
1N4721 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1N4721 Freescale Semiconductor, Inc. (USA)
1N4721 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
251210-13 Lucent Technologies Inc Dba Federal Marketing Group (USA)
1942450-2 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
JAN1N4721 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-127-0713INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
D22-0004-001
5961-00-450-0922INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-906-2885INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
MR1032A
5961-00-929-4975INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N4721
5961-01-051-8617INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4832743-1
5961-01-063-9272INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
152-0198-01
5961-01-117-2641INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4812006
5961-01-451-2634INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-139-1350?

NSN 5961-00-139-1350 is a Semiconductor Device,diode, manufactured by Sypris Electronics, Llc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-139-1350?

NSN 5961-00-139-1350 has 10 cross-referenced part numbers: 251210-13 (Sypris Electronics, Llc), 1942450-2 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div), 767684 (The Johns Hopkins University Applied Physics Laboratory Llc), 1N4721 (Solitron Devices, Inc.), 1N4721 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.

What NSN replaces 5961-00-139-1350?

There are 8 known substitutes for 5961-00-139-1350: 5961-00-127-0713, 5961-00-450-0922, 5961-00-906-2885 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 251210-13?

Key specifications for 251210-13: Overall Diameter: 0.420 INCHES MAXIMUM IN; Electrode Internally-Electrically Connected to Case: CATHODE; Overall Length: 0.030 INCHES MAXIMUM IN; Terminal Length: 1.000 INCHES MINIMUM IN. 12 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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