Gas Lens3431-01-559-2909

NSN 3431-01-559-2909 · NIIN 015592909 · Part number 45V0204

Weldcraft Customer Service · FSC 3431 — Electric Arc Welding Equipment · FSG 34 — Metalworking Machinery (continued) · CAGE 64173

Government record, cited

NSN 3431-01-559-2909 — this item is cataloged by the U.S. Government under National Stock Number 3431-01-559-2909. Manufacturer of record part number: 45V0204.

Also searched as 3431-01-559-2909 · 3431015592909 · NIIN 015592909 · 01-559-2909 · FSC 3431 Electric Arc Welding Equipment · CAGE 64173 · 45V0204

Nearby stock numbers ← 3431-01-556-7446 Stricker Plate, Arc · 3431-01-559-2910 Gas Lens →

Features

Gas Lens — FSC 3431
2 manufacturer part numbers on file
Manufacturer of record: Weldcraft Customer Service

Identification

NSN: 3431-01-559-2909
NIIN: 015592909
FSC: 3431 — Electric Arc Welding Equipment
FSG: 34 — Metalworking Machinery (continued)
Primary part number: 45V0204
Manufacturer: Weldcraft Customer Service

General Description

The Gas Lens, cataloged under National Stock Number 3431-01-559-2909, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3431-01-559-2909
Primary Part Number	45V0204
Item Name	Gas Lens
FSC / FSG	3431 / 34 — Electric Arc Welding Equipment
Manufacturer	Weldcraft Customer Service
Status	ACTIVE

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
45V0204	Merkle (uk) Limited (GBR)
45V0204 PRIMARY	Weldcraft Customer Service (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 3431-01-559-2909?

NSN 3431-01-559-2909 is a Gas Lens, manufactured by Weldcraft Customer Service, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.

What part numbers are listed for NSN 3431-01-559-2909?

NSN 3431-01-559-2909 has 2 manufacturer part numbers on file: 45V0204 (Merkle (uk) Limited), 45V0204 (Weldcraft Customer Service).

What are the specifications of 45V0204?

Key specifications for 45V0204: Special Features: LARGE GAS LENS 0.023 - 0.040 INCH IN. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3431-01-559-2909 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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