PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

105Z45Nozzle,welding

Cni Ceramic Nozzles Inc Dba Cni · NSN 3431-00-018-8274 · FSC 3431 · No Item Name Available
Verified by PartsTable
NSN 3431-00-018-8274 — this item is cataloged by the U.S. Government under National Stock Number 3431-00-018-8274. Primary manufacturer part number: 105Z45.
Features
  • Nozzle,welding — FSC 3431
  • Style Designator: TAPERED
  • Material: CERAMIC
  • Orifice Diameter: 0.4375 INCHES NOMINAL IN
  • Welding Process for Which Designed: INERT GAS TUNGSTEN ARC
  • Mounting End Diameter: 0.7500 INCHES NOMINAL IN
  • 6 verified cross-references
  • Primary manufacturer: Cni Ceramic Nozzles Inc Dba Cni
Applications
  • Applications requiring Ceramic construction
General Description

The Nozzle,welding, cataloged under National Stock Number 3431-00-018-8274, is classified within Federal Supply Class 3431 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Cni Ceramic Nozzles Inc Dba Cni. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3431-00-018-8274
Primary Part Number105Z45
Item NameNozzle,welding
FSC / FSG3431 / 34 — No Item Name Available
ManufacturerCni Ceramic Nozzles Inc Dba Cni
StatusACTIVE
Style DesignatorTAPERED
MaterialCERAMIC
Orifice Diameter0.4375 INCHES NOMINAL IN
Welding Process for Which DesignedINERT GAS TUNGSTEN ARC
Mounting End Diameter0.7500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5306-00-006-8311 INTERCHANGEABLE
Bolt,machine
5325-00-200-558417187 INTERCHANGEABLE
Ring,retaining
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5950-00-417-4501989110-5B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5136-00-528-2297 INTERCHANGEABLE
Tap,thread Cutting
5310-00-528-372331-2-15-53 INTERCHANGEABLE
Washer,split
Dana Corp Spicer Transmission Div
1040-00-991-563653A68B279 INTERCHANGEABLE
Fork,container
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6150-01-200-6524 INTERCHANGEABLE
Cable Assembly,power,electrical,
3040-01-231-707017187-1 INTERCHANGEABLE
Shaft,shouldered
Wesco Machine Inc
5340-01-328-920617187 INTERCHANGEABLE
Closer,door
Alter Harry Co the Div of T E C
3431-01-333-1734105Z45 INTERCHANGEABLE
Nozzle,welding
Ck Worldwide Inc
Cross-Reference Index
Part NumberManufacturer
105Z45 PRIMARY Cni Ceramic Nozzles Inc Dba Cni (USA)
105Z45 Standard Welders Equipment Corporation (USA)
17187 Standard Welders Equipment Corporation (USA)
105Z45 L-Tec Welding and Cutting Systems (USA)
105Z45 Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng (USA)
105Z45 Union Carbide Corp Sub of Dow Co the (USA)
Related Parts
5306-00-006-8311INTERCHANGEABLE
BOLT,MACHINE
5325-00-200-5584INTERCHANGEABLE
RING,RETAINING
17187
5950-00-417-4501INTERCHANGEABLE
COIL,RADIO FREQUENCY
989110-5B
5136-00-528-2297INTERCHANGEABLE
TAP,THREAD CUTTING
5310-00-528-3723INTERCHANGEABLE
WASHER,SPLIT
31-2-15-53
1040-00-991-5636INTERCHANGEABLE
FORK,CONTAINER
53A68B279
6150-01-200-6524INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL,
3040-01-231-7070INTERCHANGEABLE
SHAFT,SHOULDERED
17187-1
5340-01-328-9206INTERCHANGEABLE
CLOSER,DOOR
17187
3431-01-333-1734INTERCHANGEABLE
NOZZLE,WELDING
105Z45

Frequently Asked Questions

What is NSN 3431-00-018-8274?

NSN 3431-00-018-8274 is a Nozzle,welding, manufactured by Cni Ceramic Nozzles Inc Dba Cni, classified under FSC 3431 (No Item Name Available). Status: active.

What are the part numbers for NSN 3431-00-018-8274?

NSN 3431-00-018-8274 has 6 cross-referenced part numbers: 105Z45 (Cni Ceramic Nozzles Inc Dba Cni), 105Z45 (Standard Welders Equipment Corporation), 17187 (Standard Welders Equipment Corporation), 105Z45 (L-Tec Welding and Cutting Systems), 105Z45 (Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng) and 1 more.

What NSN replaces 3431-00-018-8274?

There are 10 known substitutes for 3431-00-018-8274: 5306-00-006-8311, 5325-00-200-5584, 5950-00-417-4501 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 105Z45?

Key specifications for 105Z45: Style Designator: TAPERED; Material: CERAMIC; End Item Identification: LINDE MODEL HW17 HW18 AND HW26 WELDING TORCHES; Overall Length: 1.8437 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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