PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

65-166566-01Semiconductor Device,diode

Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions · NSN 5961-00-497-4493 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-497-4493 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-497-4493. Primary manufacturer part number: 65-166566-01.
Features
  • Semiconductor Device,diode — FSC 5961
  • Mounting Method: TERMINAL
  • Material: SILICON SEMICONDUCTOR
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Overall Diameter: 0.090 INCHES MAXIMUM IN
  • Voltage Rating in Volts Per Characteristic: 75.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
  • Features Provided: HERMETICALLY SEALED CASE
  • Current Rating Per Characteristic: 10.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
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 5961-00-497-4493, 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 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions. Government technical data includes 9 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: Active.

Technical Specifications
ParameterValue
NSN5961-00-497-4493
Primary Part Number65-166566-01
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions
StatusACTIVE
Mounting MethodTERMINAL
MaterialSILICON SEMICONDUCTOR
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Overall Diameter0.090 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic75.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
Features ProvidedHERMETICALLY SEALED CASE
Current Rating Per Characteristic10.00 MILLIAMPERES MAXIMUM MAXIMUM REVERSE SURGE CURRENT
Terminal Length0.500 INCHES MINIMUM IN
Test Data Document11530-65-166566 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-018-12171N4148-1 INTERCHANGEABLE
Semiconductor Device,diode
Microsemi Corp - Massachusetts
5961-00-422-0814 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-443-4496 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-494-4915 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-724-20941820955 INTERCHANGEABLE
Semiconductor Device,diode
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5961-00-938-1135 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-034-6542 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-112-5315 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-203-4101 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-492-7048 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
65-166566-01 PRIMARY Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
1N4148 Texas Instruments Incorporated (USA)
65-166566-01 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
1N4148 Itt Semiconductors Div (USA)
Related Parts
5961-00-018-1217INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N4148-1
5961-00-422-0814INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-443-4496INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-494-4915INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-724-2094INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1820955
5961-00-938-1135INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-034-6542INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-112-5315INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-203-4101INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-492-7048INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-578-3673INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-585-8440INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
A000765

Frequently Asked Questions

What is NSN 5961-00-497-4493?

NSN 5961-00-497-4493 is a Semiconductor Device,diode, manufactured by Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-497-4493?

NSN 5961-00-497-4493 has 4 cross-referenced part numbers: 65-166566-01 (Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions), 1N4148 (Texas Instruments Incorporated), 65-166566-01 (Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions), 1N4148 (Itt Semiconductors Div).

What NSN replaces 5961-00-497-4493?

There are 12 known substitutes for 5961-00-497-4493: 5961-00-018-1217, 5961-00-422-0814, 5961-00-443-4496 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 65-166566-01?

Key specifications for 65-166566-01: Mounting Method: TERMINAL; Material: SILICON SEMICONDUCTOR; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Overall Diameter: 0.090 INCHES MAXIMUM IN. 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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