NSN 3439-01-612-5541 · NIIN 016125541 · Part number WC040X7
Weldcraft Customer Service · FSC 3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories · FSG 34 — Metalworking Machinery (continued) · CAGE 64173
Government record, cited
NSN 3439-01-612-5541 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-612-5541. Manufacturer of record part number: WC040X7.
Also searched as3439-01-612-5541 ·
3439016125541 ·
NIIN 016125541 ·
01-612-5541 ·
FSC 3439 Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories · CAGE 64173 · WC040X7 · 6LGU5 · WC04X7
Deposited Filler Metal Chemical Composition in Percent: 97.3 TUNGSTEN NOMINAL FIRST ELEMENT
Physical Form: STRAIGHT
Polarity Characteristic: STRAIGHT
Identification
NSN: 3439-01-612-5541
NIIN: 016125541
FSC: 3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
FSG: 34 — Metalworking Machinery (continued)
Primary part number: WC040X7
Manufacturer: Weldcraft Customer Service
General Description
The Electrode,welding, cataloged under National Stock Number 3439-01-612-5541, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Weldcraft Customer Service. Government technical data includes 8 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3439-01-612-5541
Primary Part Number
WC040X7
Item Name
Electrode,welding
FSC / FSG
3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
Manufacturer
Weldcraft Customer Service
Status
ACTIVE
Length
7.00 INCHES NOMINAL IN
Current Type
AC OR DC
Shape
ROUND
Outside Diameter
0.40 INCHES NOMINAL IN
Deposited Filler Metal Chemical Composition in Percent
97.3 TUNGSTEN NOMINAL FIRST ELEMENT
Physical Form
STRAIGHT
Polarity Characteristic
STRAIGHT
Material
TUNGSTEN OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3439-00-001-0002
3439-00-001-0002 · Item name not on file
3439-00-001-4196
3439-00-001-4196 · Item name not on file
3439-00-001-4197
3439-00-001-4197 · Item name not on file
3439-00-003-1195
3439-00-003-1195 · Item name not on file
3439-00-003-8601
SOLDER,LEAD ALLOY
3439-00-003-8602
SOLDER,LEAD-TIN ALLOY
3439-00-004-0913
HOUSING,ELECTRIC SO
3439-00-004-0915
SOLDERING GUN
Frequently Asked Questions
What is NSN 3439-01-612-5541?
NSN 3439-01-612-5541 is a Electrode,welding, manufactured by Weldcraft Customer Service, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
What part numbers are listed for NSN 3439-01-612-5541?
NSN 3439-01-612-5541 has 2 manufacturer part numbers on file: 6LGU5 (W.w. Grainger, Inc. Div Government Sales Division), WC040X7 (Weldcraft Customer Service).
What are the specifications of WC040X7?
Key specifications for WC040X7: Length: 7.00 INCHES NOMINAL IN; Current Type: AC OR DC; Shape: ROUND; Outside Diameter: 0.40 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 3439-01-612-5541 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.