Guide, Wire, Gas Shielded Arc Weld3431-01-666-3917

NSN 3431-01-666-3917 · NIIN 016663917 · Part number L3A-15

Bernard Welding · FSC 3431 — Electric Arc Welding Equipment · FSG 34 — Metalworking Machinery (continued) · CAGE 0LN68

Government record, cited

NSN 3431-01-666-3917 — this item is cataloged by the U.S. Government under National Stock Number 3431-01-666-3917. Manufacturer of record part number: L3A-15.

Also searched as 3431-01-666-3917 · 3431016663917 · NIIN 016663917 · 01-666-3917 · FSC 3431 Electric Arc Welding Equipment · CAGE 0LN68 · L3A-15

Nearby stock numbers ← 3431-01-666-1231 Torch Outfit, Welding, Gas Shielde · 3431-01-666-3924 Nozzle, Welding →

Features

Guide,wire,gas Shielded Arc Weld — FSC 3431
Wire Diameter: 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
1 manufacturer part number on file
Manufacturer of record: Bernard Welding

Identification

NSN: 3431-01-666-3917
NIIN: 016663917
FSC: 3431 — Electric Arc Welding Equipment
FSG: 34 — Metalworking Machinery (continued)
Primary part number: L3A-15
Manufacturer: Bernard Welding

General Description

The Guide,wire,gas Shielded Arc Weld, cataloged under National Stock Number 3431-01-666-3917, 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 1 specification, 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

Parameter	Value
NSN	3431-01-666-3917
Primary Part Number	L3A-15
Item Name	Guide,wire,gas Shielded Arc Weld
FSC / FSG	3431 / 34 — Electric Arc Welding Equipment
Manufacturer	Bernard Welding
Status	ACTIVE
Wire Diameter	0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
L3A-15 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 3431-01-666-3917?

NSN 3431-01-666-3917 is a Guide,wire,gas Shielded Arc Weld, manufactured by Bernard Welding, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.

What part numbers are listed for NSN 3431-01-666-3917?

NSN 3431-01-666-3917 has 1 manufacturer part number on file: L3A-15 (Bernard Welding).

What are the specifications of L3A-15?

Key specifications for L3A-15: Overall Length: 180.0 INCHES NOMINAL IN; End Item Identification: 4940016159020; Wire Diameter: 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 3431-01-666-3917 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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