PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

139C7990-2Semiconductor Device,diode

General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems · NSN 5961-00-901-4761 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-901-4761 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-901-4761. Primary manufacturer part number: 139C7990-2.
Features
  • Semiconductor Device,diode — FSC 5961
  • Thread Series Designator: UNF
  • Material: SILICON SEMICONDUCTOR
  • Mounting Facility Quantity: 1
  • Current Rating Per Characteristic: 35.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
  • Mounting Method: THREADED STUD(S)
  • Voltage Rating in Volts Per Characteristic: 240.0 MAXIMUM REVERSE VOLTAGE, PEAK
  • Features Provided: HERMETICALLY SEALED CASE
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 5961-00-901-4761, 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 General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-901-4761
Primary Part Number139C7990-2
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerGeneral Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
StatusACTIVE
Thread Series DesignatorUNF
MaterialSILICON SEMICONDUCTOR
Mounting Facility Quantity1
Current Rating Per Characteristic35.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Mounting MethodTHREADED STUD(S)
Voltage Rating in Volts Per Characteristic240.0 MAXIMUM REVERSE VOLTAGE, PEAK
Features ProvidedHERMETICALLY SEALED CASE
Maximum Operating Temp Per Measurement Point150.0 CELSIUS AMBIENT AIR DEGC
Nominal Thread Size0.250 INCHES IN
Overall Width Across Flats0.687 INCHES MAXIMUM IN
Terminal Type and Quantity1 THREADED STUD AND 1 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5961-00-089-5787 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-134-5993SM-B-633348 INTERCHANGEABLE
Semiconductor Device,diode
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5961-00-226-6254 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-935-0129 INTERCHANGEABLE
Semiconductor Device,diode
4935-00-961-96041200-0092 INTERCHANGEABLE
Bushing,transistor
Hewlett-Packard Company Dba HP
5961-01-004-1063 INTERCHANGEABLE
Semiconductor Device,diode
5905-01-053-7570310192 INTERCHANGEABLE
Resistor Subassembly
Bae Systems Information and Electronic Systems Integration Inc.
5961-01-239-65261N1186AR INTERCHANGEABLE
Semiconductor Device,diode
Infineon Technologies Americas Corp
5961-01-429-3084CR91-02A INTERCHANGEABLE
Semiconductor Device,diode
Eldec Aerospace Corp
Cross-Reference Index
Part NumberManufacturer
139C7990-2 General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA)
1N1186RAA Adelco Elektronik Gmbh (DEU)
1N1186R Adelco Elektronik Gmbh (DEU)
3-10192 California Instruments Corp (USA)
1N1186AR Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
12000092 Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
1N1186RA Freescale Semiconductor, Inc. (USA)
3-10192 Ametek Programmable Power, Inc. (USA)
P11166-4 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
1N1184AR Westinghouse Electric Corp Semiconductor Div (USA)
1N1186RA Renesas Electronics America Inc (USA)
Related Parts
5961-00-089-5787INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-134-5993INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
SM-B-633348
5961-00-226-6254INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-935-0129INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4935-00-961-9604INTERCHANGEABLE
BUSHING,TRANSISTOR
1200-0092
5961-01-004-1063INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5905-01-053-7570INTERCHANGEABLE
RESISTOR SUBASSEMBLY
310192
5961-01-239-6526INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N1186AR
5961-01-429-3084INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
CR91-02A

Frequently Asked Questions

What is NSN 5961-00-901-4761?

NSN 5961-00-901-4761 is a Semiconductor Device,diode, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-901-4761?

NSN 5961-00-901-4761 has 11 cross-referenced part numbers: 139C7990-2 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems), 1N1186RAA (Adelco Elektronik Gmbh), 1N1186R (Adelco Elektronik Gmbh), 3-10192 (California Instruments Corp), 1N1186AR (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc) and 6 more.

What NSN replaces 5961-00-901-4761?

There are 9 known substitutes for 5961-00-901-4761: 5961-00-089-5787, 5961-00-134-5993, 5961-00-226-6254 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 139C7990-2?

Key specifications for 139C7990-2: Thread Series Designator: UNF; Material: SILICON SEMICONDUCTOR; Mounting Facility Quantity: 1; Current Rating Per Characteristic: 35.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE. 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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