PartsTable TECHNICAL DATA SHEET
NSN 3431-01-666-5443Government record, cited

Torch, Welding, Gas Shielded Arc3431-01-666-5443

NSN 3431-01-666-5443 · NIIN 016665443 · Part number Q4015AE8EMC
Bernard Welding · FSC 3431 — Electric Arc Welding Equipment · FSG 34 — Metalworking Machinery (continued) · CAGE 0LN68
Government record, cited
NSN 3431-01-666-5443 — this item is cataloged by the U.S. Government under National Stock Number 3431-01-666-5443. Manufacturer of record part number: Q4015AE8EMC.
Also searched as  3431-01-666-5443 · 3431016665443 · NIIN 016665443 · 01-666-5443 · FSC 3431 Electric Arc Welding Equipment · CAGE 0LN68 · Q4015AE8EMC
Nearby stock numbers  ·
Features
  • Torch,welding,gas Shielded Arc — FSC 3431
  • Length: 15.0 FEET NOMINAL FT
  • Electrode Diameter for Which Designed: 0.045 INCHES NOMINAL IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Bernard Welding
Identification
  • NSN: 3431-01-666-5443
  • NIIN: 016665443
  • FSC: 3431 — Electric Arc Welding Equipment
  • FSG: 34 — Metalworking Machinery (continued)
  • Primary part number: Q4015AE8EMC
  • Manufacturer: Bernard Welding
General Description

The Torch,welding,gas Shielded Arc, cataloged under National Stock Number 3431-01-666-5443, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Bernard Welding. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3431-01-666-5443
Primary Part NumberQ4015AE8EMC
Item NameTorch,welding,gas Shielded Arc
FSC / FSG3431 / 34 — Electric Arc Welding Equipment
ManufacturerBernard Welding
StatusACTIVE
Length15.0 FEET NOMINAL FT
Electrode Diameter for Which Designed0.045 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
Q4015AE8EMC PRIMARY Bernard Welding (USA)
No interchangeability data on file.
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 3431-01-666-5443?

NSN 3431-01-666-5443 is a Torch,welding,gas Shielded Arc, manufactured by Bernard Welding, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.

What part numbers are listed for NSN 3431-01-666-5443?

NSN 3431-01-666-5443 has 1 manufacturer part number on file: Q4015AE8EMC (Bernard Welding).

What are the specifications of Q4015AE8EMC?

Key specifications for Q4015AE8EMC: Length: 15.0 FEET NOMINAL FT; Electrode Diameter for Which Designed: 0.045 INCHES NOMINAL IN. 2 specifications are documented in the U.S. Government catalog.

Is NSN 3431-01-666-5443 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.
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