FSC 3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories · FSG 34 — Metalworking Machinery (continued)
Government record, cited
Also searched as3439-01-668-5731 ·
3439016685731 ·
NIIN 016685731 ·
01-668-5731 ·
FSC 3439 Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories · 8027659 · 8027659-32
Nearby stock numbers← 3439-01-668-5701 Welding Qualification Test Kit
·
3439-01-668-5742 Welding Qualification Test Kit →
Features
Welding Qualification Test Kit — FSC 3439
Identification
NSN: 3439-01-668-5731
NIIN: 016685731
FSC: 3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
FSG: 34 — Metalworking Machinery (continued)
General Description
The Welding Qualification Test Kit, cataloged under National Stock Number 3439-01-668-5731, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Welding Qualification Test Kit
FSC / FSG
3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories (FSG 34)
Technical Specifications
Parameter
Value
NSN
3439-01-668-5731
Item Name
Welding Qualification Test Kit
FSC / FSG
3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3439-01-668-57428027659-31POSSIBLE MATCH
WELDING QUALIFICATION TEST KIT
Possible match (shared part number)Warner Robins Air Logistics Center
3439-01-679-70348027659-50POSSIBLE MATCH
WELDING QUALIFICATION TEST KIT
Possible match (shared part number)Warner Robins Air Logistics Center
3439-01-679-70358027659-70POSSIBLE MATCH
WELDING QUALIFICATION TEST KIT
Possible match (shared part number)Warner Robins Air Logistics Center
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
8027659
D/9Drawing number reference only
U.S. Government activity
8027659-32
3/2Design control — primary reference
U.S. Government activity
Related Parts
3439-01-668-5742POSSIBLE MATCH
WELDING QUALIFICATION TEST KIT
8027659-31
3439-01-679-7034POSSIBLE MATCH
WELDING QUALIFICATION TEST KIT
8027659-50
3439-01-679-7035POSSIBLE MATCH
WELDING QUALIFICATION TEST KIT
8027659-70
Frequently Asked Questions
What is NSN 3439-01-668-5731?
NSN 3439-01-668-5731 is a Welding Qualification Test Kit, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
What NSN replaces 3439-01-668-5731?
3 possible matches (shared part number, not a government interchangeability claim): 3439-01-668-5742, 3439-01-679-7034, 3439-01-679-7035. Verify interchangeability with system specifications before substitution.
Is NSN 3439-01-668-5731 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.
What is the DEMIL code for NSN 3439-01-668-5731?
NSN 3439-01-668-5731 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.