PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13N18Nozzle,welding

Weldcraft Customer Service · NSN 3431-00-496-3094 · FSC 3431 · No Item Name Available
Verified by PartsTable
NSN 3431-00-496-3094 — this item is cataloged by the U.S. Government under National Stock Number 3431-00-496-3094. Primary manufacturer part number: 13N18.
Features
  • Nozzle,welding — FSC 3431
  • Material: CERAMIC
  • Style Designator: STRAIGHT
  • Welding Process for Which Designed: INERT GAS TUNGSTEN ARC
  • Orifice Diameter: 0.5000 INCHES NOMINAL IN
  • Mounting End Diameter: 0.5625 INCHES NOMINAL IN
  • 9 verified cross-references
  • Primary manufacturer: Weldcraft Customer Service
Applications
  • Applications requiring Ceramic construction
General Description

The Nozzle,welding, cataloged under National Stock Number 3431-00-496-3094, is classified within Federal Supply Class 3431 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Weldcraft Customer Service. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3431-00-496-3094
Primary Part Number13N18
Item NameNozzle,welding
FSC / FSG3431 / 34 — No Item Name Available
ManufacturerWeldcraft Customer Service
StatusACTIVE
MaterialCERAMIC
Style DesignatorSTRAIGHT
Welding Process for Which DesignedINERT GAS TUNGSTEN ARC
Orifice Diameter0.5000 INCHES NOMINAL IN
Mounting End Diameter0.5625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5935-00-511-6572 INTERCHANGEABLE
Connector,receptacle,electrical
5120-00-595-9463 INTERCHANGEABLE
Punch,tube Belling,hand
5310-01-045-8941 INTERCHANGEABLE
Nut,plain,knurled
5962-01-097-0008MM54C20J INTERCHANGEABLE
Microcircuit,digital
National Semiconductor Corporation
6150-01-146-209120258 INTERCHANGEABLE
Lead,electrical
Johnston Boiler Company
2910-01-343-388720258 INTERCHANGEABLE
Plunger,rotor,fuel Pump
Stanadyne Corporation Dba Stanadyne Diesel Systems
5330-01-382-86087116-FT-972-T INTERCHANGEABLE
Packing Assembly
Greene Tweed & Co Inc
5120-01-518-0044 INTERCHANGEABLE
Punch,tube Belling,hand
6515-01-590-89052646 INTERCHANGEABLE
Sensor,oxygen Monitoring
Masimo Corporation
Cross-Reference Index
Part NumberManufacturer
13N18 Weldcraft Customer Service (USA)
13N18 Welding Nozzle Intl Inc (USA)
13N18 Worldwide Welding, Incorporated Div Lumax Lubrication Equipment (USA)
20258 Standard Welders Equipment Corporation (USA)
13N18 Union Carbide Corp Linde Div (USA)
13N18 Cni Ceramic Nozzles Inc Dba Cni (USA)
13N18 Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng (USA)
13N18 L-Tec Welding and Cutting Systems (USA)
13N18 Standard Welders Equipment Corporation (USA)
Related Parts
5935-00-511-6572INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5120-00-595-9463INTERCHANGEABLE
PUNCH,TUBE BELLING,HAND
5310-01-045-8941INTERCHANGEABLE
NUT,PLAIN,KNURLED
5962-01-097-0008INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
MM54C20J
6150-01-146-2091INTERCHANGEABLE
LEAD,ELECTRICAL
20258
2910-01-343-3887INTERCHANGEABLE
PLUNGER,ROTOR,FUEL PUMP
20258
5330-01-382-8608INTERCHANGEABLE
PACKING ASSEMBLY
7116-FT-972-T
5120-01-518-0044INTERCHANGEABLE
PUNCH,TUBE BELLING,HAND
6515-01-590-8905INTERCHANGEABLE
SENSOR,OXYGEN MONITORING
2646

Frequently Asked Questions

What is NSN 3431-00-496-3094?

NSN 3431-00-496-3094 is a Nozzle,welding, manufactured by Weldcraft Customer Service, classified under FSC 3431 (No Item Name Available). Status: active.

What are the part numbers for NSN 3431-00-496-3094?

NSN 3431-00-496-3094 has 9 cross-referenced part numbers: 13N18 (Weldcraft Customer Service), 13N18 (Welding Nozzle Intl Inc), 13N18 (Worldwide Welding, Incorporated Div Lumax Lubrication Equipment), 20258 (Standard Welders Equipment Corporation), 13N18 (Union Carbide Corp Linde Div) and 4 more.

What NSN replaces 3431-00-496-3094?

There are 9 known substitutes for 3431-00-496-3094: 5935-00-511-6572, 5120-00-595-9463, 5310-01-045-8941 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13N18?

Key specifications for 13N18: Overall Length: 1.1562 INCHES NOMINAL IN; Special Features: CUP NO. 8; Material: CERAMIC; Style Designator: STRAIGHT. 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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