PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N3051BSemiconductor Device,diode

Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-00-476-8090 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-476-8090 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-476-8090. Primary manufacturer part number: 1N3051B.
Features
  • Semiconductor Device,diode — FSC 5961
  • Power Rating Per Characteristic: 1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Voltage Tolerance in Percent: -5.0 TO 5.0
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC
  • Terminal Length: 1.000 INCHES MINIMUM IN
  • Current Rating Per Characteristic: 1.20 MILLIAMPERES NOMINAL VOLTAGE REGULATOR DIODE CURRENT AND 4.60 MILLIAMPERES MAXIMUM MAXIMUM DC CURRENT IN REVERSE BREAKDOWN REGION
  • Mounting Method: TERMINAL
  • Overall Diameter: 0.215 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
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 5961-00-476-8090, 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 Joint Army-Navy Specifications Promulgated by Military Departments 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 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-476-8090
Primary Part Number1N3051B
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerJoint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Power Rating Per Characteristic1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Voltage Tolerance in Percent-5.0 TO 5.0
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Terminal Length1.000 INCHES MINIMUM IN
Current Rating Per Characteristic1.20 MILLIAMPERES NOMINAL VOLTAGE REGULATOR DIODE CURRENT AND 4.60 MILLIAMPERES MAXIMUM MAXIMUM DC CURRENT IN REVERSE BREAKDOWN REGION
Mounting MethodTERMINAL
Overall Diameter0.215 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic200.0 NOMINAL NOMINAL REGULATOR VOLTAGE
Electrode Internally-Electrically Connected to CaseCATHODE
Features ProvidedHERMETICALLY SEALED CASE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialSILICON SEMICONDUCTOR
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.).
Specification/standard Data81349-MIL-PRF-19500/115 GOVERNMENT SPECIFICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5340-00-231-522621742-2 INTERCHANGEABLE
Bolt Assembly,clamp
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5961-00-843-9086 INTERCHANGEABLE
Semiconductor Device,diode
5331-00-982-4259MS28775-230 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-987-9305671-00230 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
4810-01-214-6659217422 INTERCHANGEABLE
Indicator,valve
Marotta Controls Inc
4320-01-478-09838631280 INTERCHANGEABLE
Vane,pump,rotary
Meritor Specialty Products Llc
6105-01-674-3117217422 INTERCHANGEABLE
Support,electric Motor
Bird-Johnson Propeller Company, Llc
Cross-Reference Index
Part NumberManufacturer
1N3051B Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
JANTX1N3051B-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-19500/115 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
23-109-021 Muirhead Aerospace Ltd (GBR)
217422 Fluke Corp (USA)
JANTX1N3051B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
67100230 International Video Systems Inc (USA)
5961PL1378051 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5340-00-231-5226INTERCHANGEABLE
BOLT ASSEMBLY,CLAMP
21742-2
5961-00-843-9086INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5331-00-982-4259INTERCHANGEABLE
O-RING
MS28775-230
5331-00-987-9305INTERCHANGEABLE
O-RING
671-00230
4810-01-214-6659INTERCHANGEABLE
INDICATOR,VALVE
217422
4320-01-478-0983INTERCHANGEABLE
VANE,PUMP,ROTARY
8631280
6105-01-674-3117INTERCHANGEABLE
SUPPORT,ELECTRIC MOTOR
217422

Frequently Asked Questions

What is NSN 5961-00-476-8090?

NSN 5961-00-476-8090 is a Semiconductor Device,diode, manufactured by Joint Army-Navy Specifications Promulgated by Military Departments 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 5961-00-476-8090?

NSN 5961-00-476-8090 has 8 cross-referenced part numbers: 1N3051B (Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), JANTX1N3051B-1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-19500/115 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 23-109-021 (Muirhead Aerospace Ltd), 217422 (Fluke Corp) and 3 more.

What NSN replaces 5961-00-476-8090?

There are 7 known substitutes for 5961-00-476-8090: 5340-00-231-5226, 5961-00-843-9086, 5331-00-982-4259 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N3051B?

Key specifications for 1N3051B: Power Rating Per Characteristic: 1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION; Voltage Tolerance in Percent: -5.0 TO 5.0; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC; Terminal Length: 1.000 INCHES MINIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-476-8090 still in active supply?

NSN 5961-00-476-8090 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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