PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N1187RASemiconductor Device,diode

Electronic Industries Association · NSN 5961-00-877-5699 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-877-5699 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-877-5699. Primary manufacturer part number: 1N1187RA.
Features
  • Semiconductor Device,diode — FSC 5961
  • Thread Series Designator: UNF
  • Terminal Type and Quantity: 1 THREADED STUD AND 1 TAB, SOLDER LUG
  • Specification/standard Data: 80131-RELEASE4184 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
  • Current Rating Per Characteristic: 35.00 AMPERES MAXIMUM REVERSE CURRENT, DC
  • Features Provided: HERMETICALLY SEALED CASE
  • Overall Diameter: 0.667 INCHES MAXIMUM IN
  • Mounting Facility Quantity: 1
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 5961-00-877-5699, 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 Electronic Industries Association. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-877-5699
Primary Part Number1N1187RA
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerElectronic Industries Association
StatusACTIVE
Thread Series DesignatorUNF
Terminal Type and Quantity1 THREADED STUD AND 1 TAB, SOLDER LUG
Specification/standard Data80131-RELEASE4184 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Current Rating Per Characteristic35.00 AMPERES MAXIMUM REVERSE CURRENT, DC
Features ProvidedHERMETICALLY SEALED CASE
Overall Diameter0.667 INCHES MAXIMUM IN
Mounting Facility Quantity1
Maximum Operating Temp Per Measurement Point140.0 CELSIUS CASE DEGC
Mounting MethodTHREADED STUD(S)
Voltage Rating in Volts Per Characteristic300.0 MAXIMUM REVERSE VOLTAGE, PEAK
Overall Width Across Flats0.687 INCHES MAXIMUM IN
Nominal Thread Size0.250 INCHES IN
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-043-14021N1188RA INTERCHANGEABLE
Semiconductor Device,diode
Semitronics Corp
5961-00-134-7034 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-912-9132 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N1187RA Electronic Industries Association
2813-734 Reliance Comm/tec Corp Lorain Products Div (USA)
1N1187RA General Electric Co Semi-Conductor Products Dept Power Components Opn (USA)
RELEASE4184 Electronic Industries Association
1N1187RA Rca Corp Distributor and Special Products Div
1N1187RA Westinghouse Electric Corp Semiconductor Div (USA)
Related Parts
5961-00-043-1402INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N1188RA
5961-00-134-7034INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-912-9132INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-877-5699?

NSN 5961-00-877-5699 is a Semiconductor Device,diode, manufactured by Electronic Industries Association, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-877-5699?

NSN 5961-00-877-5699 has 6 cross-referenced part numbers: 1N1187RA (Electronic Industries Association), 2813-734 (Reliance Comm/tec Corp Lorain Products Div), 1N1187RA (General Electric Co Semi-Conductor Products Dept Power Components Opn), RELEASE4184 (Electronic Industries Association), 1N1187RA (Rca Corp Distributor and Special Products Div) and 1 more.

What NSN replaces 5961-00-877-5699?

There are 3 known substitutes for 5961-00-877-5699: 5961-00-043-1402, 5961-00-134-7034, 5961-00-912-9132. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N1187RA?

Key specifications for 1N1187RA: Thread Series Designator: UNF; Terminal Type and Quantity: 1 THREADED STUD AND 1 TAB, SOLDER LUG; Specification/standard Data: 80131-RELEASE4184 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION; Current Rating Per Characteristic: 35.00 AMPERES MAXIMUM REVERSE CURRENT, DC. 14 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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