PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-6531Spark Gap

Thermal Dynamics Corp · NSN 6625-01-183-7313 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-183-7313 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-183-7313. Primary manufacturer part number: 8-6531.
Features
  • Spark Gap — FSC 6625
  • Gap Type: NONROTARY
  • Current Type: AC
  • Gap Type: NONROTARY
  • Current Type: AC
  • 1 verified cross-reference
  • Primary manufacturer: Thermal Dynamics Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Spark Gap, cataloged under National Stock Number 6625-01-183-7313, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Thermal Dynamics Corp. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-183-7313
Primary Part Number8-6531
Item NameSpark Gap
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerThermal Dynamics Corp
StatusACTIVE
Gap TypeNONROTARY
Current TypeAC
Gap TypeNONROTARY
Current TypeAC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 2
5340-01-177-8321 INTERCHANGEABLE
Handwheel
6110-01-388-9731865-31 INTERCHANGEABLE
Distribution Box
Hose-Mccann Telephone Co, Inc
Cross-Reference Index
Part NumberManufacturer
8-6531 PRIMARY Thermal Dynamics Corp (USA)
Related Parts
5340-01-177-8321INTERCHANGEABLE
HANDWHEEL
6110-01-388-9731INTERCHANGEABLE
DISTRIBUTION BOX
865-31

Frequently Asked Questions

What is NSN 6625-01-183-7313?

NSN 6625-01-183-7313 is a Spark Gap, manufactured by Thermal Dynamics Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-183-7313?

NSN 6625-01-183-7313 has 1 cross-referenced part number: 8-6531 (Thermal Dynamics Corp).

What NSN replaces 6625-01-183-7313?

There are 2 known substitutes for 6625-01-183-7313: 5340-01-177-8321, 6110-01-388-9731. Verify interchangeability with system specifications before substitution.

What are the specifications of 8-6531?

Key specifications for 8-6531: Gap Type: NONROTARY; Current Type: AC; End Item Identification: THERMAL DYNAMICS CORP MODEL 4A WELDING TORCH A; End Item Identification: THERMAL DYNAMICS CORP MODEL 4A WELDING TORCH A. 6 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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