PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

520Test Lead Attachment

S T K Electronics Inc Dba Pelco Electronic Components Airotronics Div · NSN 6625-00-959-4078 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-959-4078 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-959-4078. Primary manufacturer part number: 520.
Features
  • Test Lead Attachment — FSC 6625
  • Material: COPPER ALLOY HANDLE
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Material: COPPER ALLOY HANDLE
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: S T K Electronics Inc Dba Pelco Electronic Components Airotronics Div
Applications
  • Applications requiring Copper Alloy Handle construction
General Description

The Test Lead Attachment, cataloged under National Stock Number 6625-00-959-4078, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is S T K Electronics Inc Dba Pelco Electronic Components Airotronics Div. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-959-4078
Primary Part Number520
Item NameTest Lead Attachment
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerS T K Electronics Inc Dba Pelco Electronic Components Airotronics Div
StatusACTIVE
MaterialCOPPER ALLOY HANDLE
Overall Diameter0.375 INCHES NOMINAL IN
MaterialCOPPER ALLOY HANDLE
Overall Diameter0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-00-643-1369 (7788)
HAZMATNo
Weight0.1000 lbs
Cube0.0184 cu ft
Verified Substitutes 4
6145-00-643-13697788 SUCCESSOR
Wire,electrical
Belden Wire and Cable Co Wire and Cable Office
6625-01-017-7645520 SUCCESSOR
Generator,pulse
Visual Information Institute Inc Dba V I I Craft
5895-00-173-2536 INTERCHANGEABLE
Voltsensor Relay
6625-00-797-0242604360-1 INTERCHANGEABLE
Bridge,capacitance
Textron Systems Corporation Dba Textron Systems Corp
Cross-Reference Index
Part NumberManufacturer
520 S T K Electronics Inc Dba Pelco Electronic Components Airotronics Div (USA)
Related Parts
SUCCESSOR 6145-00-643-1369 Wire,electrical · 7788
6625-01-017-7645SUCCESSOR
GENERATOR,PULSE
520
5895-00-173-2536INTERCHANGEABLE
VOLTSENSOR RELAY
6625-00-797-0242INTERCHANGEABLE
BRIDGE,CAPACITANCE
604360-1

Frequently Asked Questions

What is NSN 6625-00-959-4078?

NSN 6625-00-959-4078 is a Test Lead Attachment, manufactured by S T K Electronics Inc Dba Pelco Electronic Components Airotronics Div, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-959-4078?

NSN 6625-00-959-4078 has 1 cross-referenced part number: 520 (S T K Electronics Inc Dba Pelco Electronic Components Airotronics Div).

What NSN replaces 6625-00-959-4078?

There are 4 known substitutes for 6625-00-959-4078: 6145-00-643-1369, 6625-01-017-7645, 5895-00-173-2536 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 520?

Key specifications for 520: Overall Length: 1.625 INCHES NOMINAL IN; Special Features: BRASS;W/INSULATION SHIELD,PLASTIC; Material: COPPER ALLOY HANDLE; Overall Diameter: 0.375 INCHES NOMINAL IN. 8 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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