NSN 3431-01-443-4845 — this item is cataloged by the U.S. Government under National Stock Number 3431-01-443-4845. Manufacturer of record part number: 45V63.
Also searched as3431-01-443-4845 ·
3431014434845 ·
NIIN 014434845 ·
01-443-4845 ·
FSC 3431 Electric Arc Welding Equipment · CAGE 64173 · 45V63
General Characteristics Item Description: TUNGSTEN INERT GAS
2 manufacturer part numbers on file
Manufacturer of record: Weldcraft Customer Service
Identification
NSN: 3431-01-443-4845
NIIN: 014434845
FSC: 3431 — Electric Arc Welding Equipment
FSG: 34 — Metalworking Machinery (continued)
Primary part number: 45V63
Manufacturer: Weldcraft Customer Service
General Description
The Gas Lens,collet, cataloged under National Stock Number 3431-01-443-4845, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Weldcraft Customer Service. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 3431 — Electric Arc Welding Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3431-00-008-9353
3431-00-008-9353 · Item name not on file
3431-00-010-5596
LINER,NITROGEN CONDUIT
3431-00-010-5597
LINER,NITROGEN COND
3431-00-010-5599
3431-00-010-5599 · Item name not on file
3431-00-012-4357
3431-00-012-4357 · Item name not on file
3431-00-012-4360
3431-00-012-4360 · Item name not on file
3431-00-012-4362
SPARK GAP ASSEMBLY
3431-00-015-2564
PANEL,POWER,ALTERNATE
Frequently Asked Questions
What is NSN 3431-01-443-4845?
NSN 3431-01-443-4845 is a Gas Lens,collet, manufactured by Weldcraft Customer Service, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
What part numbers are listed for NSN 3431-01-443-4845?
NSN 3431-01-443-4845 has 2 manufacturer part numbers on file: 45V63 (Merkle (uk) Limited), 45V63 (Weldcraft Customer Service).
What are the specifications of 45V63?
Key specifications for 45V63: General Characteristics Item Description: TUNGSTEN INERT GAS. 1 specification is documented in the U.S. Government catalog.
Is NSN 3431-01-443-4845 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.