PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00-875-121-377Semiconductor Device,diode

Allis-Chalmers Corp · NSN 5961-00-950-6574 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-950-6574 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-950-6574. Primary manufacturer part number: 00-875-121-377.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS CASE DEGC
  • Terminal Type and Quantity: 1 TAB, SOLDER LUG AND 1 THREADED STUD
  • Mounting Method: THREADED STUD(S)
  • Nominal Thread Size: 0.375 INCHES IN
  • Overall Width Across Flats: 1.031 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN
  • Current Rating Per Characteristic: 75.00 AMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
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 5961-00-950-6574, 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 Allis-Chalmers Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5961-00-950-6574
Primary Part Number00-875-121-377
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerAllis-Chalmers Corp
StatusCANCELLED
MaterialSILICON SEMICONDUCTOR
Maximum Operating Temp Per Measurement Point200.0 CELSIUS CASE DEGC
Terminal Type and Quantity1 TAB, SOLDER LUG AND 1 THREADED STUD
Mounting MethodTHREADED STUD(S)
Nominal Thread Size0.375 INCHES IN
Overall Width Across Flats1.031 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN
Current Rating Per Characteristic75.00 AMPERES MAXIMUM AVERAGE ON-STATE CURRENT, 180 DEGREES CONDUCTION ANGLE, AVERAGE OVER A FULL 60-HZ CYCLE
Features ProvidedHERMETICALLY SEALED CASE
Voltage Rating in Volts Per Characteristic800.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE, MAXIMUM PEAK TOTAL VALUE AND 960.0 MAXIMUM REVERSE VOLTAGE, INSTANTANEOUS
Mounting Facility Quantity1
Thread Series DesignatorUNF
Specification/standard Data81349-MIL-PRF-19500/246 GOVERNMENT SPECIFICATION
Test Data Document81349-MIL-PRF-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.).
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-776-5125 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-782-1495 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-824-1486 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-924-4308 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-950-6570 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-950-6573 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-959-5046 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-968-9277 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-047-6730 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-116-5609 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
00-875-121-377 Allis-Chalmers Corp (USA)
JAN1N3294R Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/246 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3512-66-00513-58 Saft Power Systems Inc (CAN)
Related Parts
5961-00-776-5125INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-782-1495INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-824-1486INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-924-4308INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-950-6570INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-950-6573INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-959-5046INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-968-9277INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-047-6730INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-116-5609INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-239-4507INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-290-1919INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-950-6574?

NSN 5961-00-950-6574 is a Semiconductor Device,diode, manufactured by Allis-Chalmers Corp, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-950-6574?

NSN 5961-00-950-6574 has 4 cross-referenced part numbers: 00-875-121-377 (Allis-Chalmers Corp), JAN1N3294R (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-19500/246 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 3512-66-00513-58 (Saft Power Systems Inc).

What NSN replaces 5961-00-950-6574?

There are 12 known substitutes for 5961-00-950-6574: 5961-00-776-5125, 5961-00-782-1495, 5961-00-824-1486 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 00-875-121-377?

Key specifications for 00-875-121-377: Material: SILICON SEMICONDUCTOR; Maximum Operating Temp Per Measurement Point: 200.0 CELSIUS CASE DEGC; Terminal Type and Quantity: 1 TAB, SOLDER LUG AND 1 THREADED STUD; Mounting Method: THREADED STUD(S). 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-950-6574 still in active supply?

NSN 5961-00-950-6574 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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