PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-1715Spark Gap Block

Thermal Dynamics Corp · NSN 3431-01-177-5549 · FSC 3431 · No Item Name Available
Verified by PartsTable
NSN 3431-01-177-5549 — this item is cataloged by the U.S. Government under National Stock Number 3431-01-177-5549. Primary manufacturer part number: 8-1715.
Features
  • Spark Gap Block — FSC 3431
  • 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 Block, cataloged under National Stock Number 3431-01-177-5549, is classified within Federal Supply Class 3431 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Thermal Dynamics Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3431-01-177-5549
Primary Part Number8-1715
Item NameSpark Gap Block
FSC / FSG3431 / 34 — No Item Name Available
ManufacturerThermal Dynamics Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6930-00-096-184581715 INTERCHANGEABLE
Shaft Assembly
Cae Usa Inc.
5930-00-503-3574 INTERCHANGEABLE
Switch,rotary
5930-00-548-6328 INTERCHANGEABLE
Switch,rotary
2590-01-266-427081715 INTERCHANGEABLE
Brake Valve Assembly,hydraulic W
Paccar Winch Inc Dba Paccar Winch Division
2510-01-318-414971715 INTERCHANGEABLE
Strut Assembly,vehicular Suspens
Tenneco Inc
Cross-Reference Index
Part NumberManufacturer
8-1715 PRIMARY Thermal Dynamics Corp (USA)
Related Parts
6930-00-096-1845INTERCHANGEABLE
SHAFT ASSEMBLY
81715
5930-00-503-3574INTERCHANGEABLE
SWITCH,ROTARY
5930-00-548-6328INTERCHANGEABLE
SWITCH,ROTARY
2590-01-266-4270INTERCHANGEABLE
BRAKE VALVE ASSEMBLY,HYDRAULIC W
81715
2510-01-318-4149INTERCHANGEABLE
STRUT ASSEMBLY,VEHICULAR SUSPENS
71715

Frequently Asked Questions

What is NSN 3431-01-177-5549?

NSN 3431-01-177-5549 is a Spark Gap Block, manufactured by Thermal Dynamics Corp, classified under FSC 3431 (No Item Name Available). Status: active.

What are the part numbers for NSN 3431-01-177-5549?

NSN 3431-01-177-5549 has 1 cross-referenced part number: 8-1715 (Thermal Dynamics Corp).

What NSN replaces 3431-01-177-5549?

There are 5 known substitutes for 3431-01-177-5549: 6930-00-096-1845, 5930-00-503-3574, 5930-00-548-6328 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8-1715?

Key specifications for 8-1715: End Item Identification: THERMAL DYNAMICS CORP MODEL 6A AND 4A CUTTING TORCH A. 1 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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