PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3966Lead,test

Fluke Electronics Corp · NSN 6625-01-097-4720 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-097-4720 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-097-4720. Primary manufacturer part number: 3966.
Features
  • Lead,test — FSC 6625
  • Conductor Form: STRANDED ALL CONDUCTORS
  • Material: COPPER CORE CONDUCTOR ALL CONDUCTORS
  • Round Conductor Size: 20 AWG ALL CONDUCTORS
  • Voltage Rating: 500.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS
  • Termination Type: CONNECTOR PLUG BOTH ENDS ALL CONDUCTORS
  • Strand Quantity Per Conductor: 41 ALL CONDUCTORS
  • Material: PLASTIC FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
Applications
  • Applications requiring Copper Core Conductor All Conductors construction
General Description

The Lead,test, cataloged under National Stock Number 6625-01-097-4720, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Fluke Electronics Corp. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-097-4720
Primary Part Number3966
Item NameLead,test
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerFluke Electronics Corp
StatusACTIVE
Conductor FormSTRANDED ALL CONDUCTORS
MaterialCOPPER CORE CONDUCTOR ALL CONDUCTORS
Round Conductor Size20 AWG ALL CONDUCTORS
Voltage Rating500.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS
Termination TypeCONNECTOR PLUG BOTH ENDS ALL CONDUCTORS
Strand Quantity Per Conductor41 ALL CONDUCTORS
MaterialPLASTIC FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
Strand Awg Size Per Conductor36 ALL CONDUCTORS
Cross Section Outside Diameter0.087 INCHES NOMINAL IN
Termination TypeCONNECTOR RECEPTACLE FIRST END ALL CONDUCTORS
Cross-Sectional Shape StyleROUND
Conductor FormSTRANDED ALL CONDUCTORS
MaterialCOPPER CORE CONDUCTOR ALL CONDUCTORS
Round Conductor Size20 AWG ALL CONDUCTORS
Voltage Rating500.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS
Termination TypeCONNECTOR PLUG BOTH ENDS ALL CONDUCTORS
Strand Quantity Per Conductor41 ALL CONDUCTORS
MaterialPLASTIC FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
Strand Awg Size Per Conductor36 ALL CONDUCTORS
Cross Section Outside Diameter0.087 INCHES NOMINAL IN
Termination TypeCONNECTOR RECEPTACLE FIRST END ALL CONDUCTORS
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeZN
Weight0.0700 lbs
Cube0.0208 cu ft
Verified Substitutes 6
5950-00-232-44433966 INTERCHANGEABLE
Coil,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
5950-00-235-8730SC-D-1736N INTERCHANGEABLE
Coil,telephone
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-461-83013966 INTERCHANGEABLE
Transformer,power
Sartron, Inc
5940-00-617-2673227-1157P1 INTERCHANGEABLE
Terminal,lug
Raytheon Co Equipment Development Lab
5305-01-121-5475AMSE B18.6.3-HEX HEAD 10-24X7/8 INTERCHANGEABLE
Screw,machine
American National Standards Institute Incorporated Dba American National Standards Institute
2940-01-625-9189FIL 3966 INTERCHANGEABLE
Filter Element,fluid
National Automotive Parts Assn/napa/
Cross-Reference Index
Part NumberManufacturer
3966 Fluke Electronics Corp Pomona Electronics Div (USA)
3966 PRIMARY Fluke Electronics Corp (USA)
5223-A-4-0 Mueller Electric Company, Inc. Div Mueller Electric Company (USA)
77B2429 Newark Electronics (USA)
Related Parts
5950-00-232-4443INTERCHANGEABLE
COIL,RADIO FREQUENCY
3966
5950-00-235-8730INTERCHANGEABLE
COIL,TELEPHONE
SC-D-1736N
5950-00-461-8301INTERCHANGEABLE
TRANSFORMER,POWER
3966
5940-00-617-2673INTERCHANGEABLE
TERMINAL,LUG
227-1157P1
5305-01-121-5475INTERCHANGEABLE
SCREW,MACHINE
AMSE B18.6.3-HEX HEAD 10-24X7/8
2940-01-625-9189INTERCHANGEABLE
FILTER ELEMENT,FLUID
FIL 3966

Frequently Asked Questions

What is NSN 6625-01-097-4720?

NSN 6625-01-097-4720 is a Lead,test, manufactured by Fluke Electronics Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-097-4720?

NSN 6625-01-097-4720 has 4 cross-referenced part numbers: 3966 (Fluke Electronics Corp Pomona Electronics Div), 3966 (Fluke Electronics Corp), 5223-A-4-0 (Mueller Electric Company, Inc. Div Mueller Electric Company), 77B2429 (Newark Electronics).

What NSN replaces 6625-01-097-4720?

There are 6 known substitutes for 6625-01-097-4720: 5950-00-232-4443, 5950-00-235-8730, 5950-00-461-8301 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3966?

Key specifications for 3966: Conductor Form: STRANDED ALL CONDUCTORS; Material: COPPER CORE CONDUCTOR ALL CONDUCTORS; Round Conductor Size: 20 AWG ALL CONDUCTORS; Voltage Rating: 500.0 AC MAXIMUM RATED WORKING VOLTAGE ALL CONDUCTORS. 26 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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