PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11N21Adapter Assembly

Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng · NSN 3431-00-018-8299 · FSC 3431 · No Item Name Available
Verified by PartsTable
NSN 3431-00-018-8299 — this item is cataloged by the U.S. Government under National Stock Number 3431-00-018-8299. Primary manufacturer part number: 11N21.
Features
  • Adapter Assembly — FSC 3431
  • 3 verified cross-references
  • Primary manufacturer: Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Adapter Assembly, cataloged under National Stock Number 3431-00-018-8299, is classified within Federal Supply Class 3431 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3431-00-018-8299
Primary Part Number11N21
Item NameAdapter Assembly
FSC / FSG3431 / 34 — No Item Name Available
ManufacturerEsab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-01-273-2923100833 INTERCHANGEABLE
Transformer,power
Fluke Biomedical Corporation
Cross-Reference Index
Part NumberManufacturer
11N21 PRIMARY Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng (USA)
11N21 Union Carbide Corp Sub of Dow Co the (USA)
11N21 L-Tec Welding and Cutting Systems (USA)
Related Parts
5950-01-273-2923INTERCHANGEABLE
TRANSFORMER,POWER
100833

Frequently Asked Questions

What is NSN 3431-00-018-8299?

NSN 3431-00-018-8299 is a Adapter Assembly, manufactured by Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng, classified under FSC 3431 (No Item Name Available). Status: active.

What are the part numbers for NSN 3431-00-018-8299?

NSN 3431-00-018-8299 has 3 cross-referenced part numbers: 11N21 (Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng), 11N21 (Union Carbide Corp Sub of Dow Co the), 11N21 (L-Tec Welding and Cutting Systems).

What NSN replaces 3431-00-018-8299?

There is 1 known substitute for 3431-00-018-8299: 5950-01-273-2923. Verify interchangeability with system specifications before substitution.

What are the specifications of 11N21?

Key specifications for 11N21: End Item Identification: LINDE MODEL HW-18 WELDING TORCH. 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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