PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F409Semiconductor Device,diode

Nautel Maine Inc · NSN 5961-01-084-4072 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-084-4072 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-084-4072. Primary manufacturer part number: F409.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: SILICON SEMICONDUCTOR
  • Mounting Facility Quantity: 1
  • Thread Series Designator: UNF
  • Nominal Thread Size: 0.190 INCHES IN
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC
  • Mounting Method: THREADED STUD(S)
  • Current Rating Per Characteristic: 6.00 AMPERES MAXIMUM FORWARD CURRENT, AVERAGE
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 5961-01-084-4072, 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 Nautel Maine Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, 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
NSN5961-01-084-4072
Primary Part NumberF409
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerNautel Maine Inc
StatusACTIVE
MaterialSILICON SEMICONDUCTOR
Mounting Facility Quantity1
Thread Series DesignatorUNF
Nominal Thread Size0.190 INCHES IN
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
Mounting MethodTHREADED STUD(S)
Current Rating Per Characteristic6.00 AMPERES MAXIMUM FORWARD CURRENT, AVERAGE
Voltage Rating in Volts Per Characteristic200.0 MAXIMUM REVERSE VOLTAGE, PEAK
Terminal Type and Quantity1 TAB, SOLDER LUG AND 1 THREADED STUD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-135-8613 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-172-7865 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-194-9074 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-350-1470 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-463-7171 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-472-1103 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-487-81311N3889 INTERCHANGEABLE
Semiconductor Device,diode
Palomar Products, Inc.
5961-00-491-44011N3909 INTERCHANGEABLE
Semiconductor Device,diode
Palomar Products, Inc.
5961-00-903-74771N3911 INTERCHANGEABLE
Semiconductor Device,diode
Westinghouse Electric Corp
5961-01-056-5017UFR3120 INTERCHANGEABLE
Semiconductor Device,diode
Micro Uspd Inc
Cross-Reference Index
Part NumberManufacturer
F409 Nautel Maine Inc (USA)
1N3881R Microsemi Corp - Massachusetts (USA)
RELEASE3944 Electronic Industries Association
98471-72031 Leonardo Mw Ltd (GBR)
1N3881R Freescale Semiconductor, Inc. (USA)
1N3881R On Semiconductor Corporation (USA)
1N3881R Electronic Industries Association
98471-72031 Leonardo Uk Ltd (GBR)
Related Parts
5961-00-135-8613INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-172-7865INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-194-9074INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-350-1470INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-463-7171INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-472-1103INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-487-8131INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N3889
5961-00-491-4401INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N3909
5961-00-903-7477INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N3911
5961-01-056-5017INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
UFR3120
5961-01-073-3785INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-132-0036INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-084-4072?

NSN 5961-01-084-4072 is a Semiconductor Device,diode, manufactured by Nautel Maine Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-084-4072?

NSN 5961-01-084-4072 has 8 cross-referenced part numbers: F409 (Nautel Maine Inc), 1N3881R (Microsemi Corp - Massachusetts), RELEASE3944 (Electronic Industries Association), 98471-72031 (Leonardo Mw Ltd), 1N3881R (Freescale Semiconductor, Inc.) and 3 more.

What NSN replaces 5961-01-084-4072?

There are 12 known substitutes for 5961-01-084-4072: 5961-00-135-8613, 5961-00-172-7865, 5961-00-194-9074 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F409?

Key specifications for F409: Material: SILICON SEMICONDUCTOR; Overall Length: 0.405 INCHES MAXIMUM IN; Mounting Facility Quantity: 1; Thread Series Designator: UNF. 10 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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