FSC: 3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
FSG: 34 — Metalworking Machinery (continued)
General Description
The Carbon Block,welding, cataloged under National Stock Number 3439-00-262-4159, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3439-00-262-4159
Item Name
Carbon Block,welding
FSC / FSG
3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
Status
ACTIVE
Overall Thickness
0.500 INCHES NOMINAL IN
Shape
RECTANGULAR
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3439-00-262-416320066703POSSIBLE MATCH
CARBON BLOCK,WELDING
Possible match (shared part number)Sgl Carbon Corp
3439-00-262-4164POSSIBLE MATCH
CARBON ROD,WELDING
Possible match (shared part number)
3439-00-262-4165POSSIBLE MATCH
CARBON ROD,WELDING
Possible match (shared part number)
3439-00-262-4167POSSIBLE MATCH
CARBON ROD,WELDING
Possible match (shared part number)
3439-00-267-2923POSSIBLE MATCH
CARBON BLOCK,WELDING
Possible match (shared part number)
3439-00-267-2924POSSIBLE MATCH
CARBON BLOCK,WELDING
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
MILC45948
4/1Identification reference
U.S. Government activity
Related Parts
3439-00-262-4163POSSIBLE MATCH
CARBON BLOCK,WELDING
20066703
3439-00-262-4164POSSIBLE MATCH
CARBON ROD,WELDING
3439-00-262-4165POSSIBLE MATCH
CARBON ROD,WELDING
3439-00-262-4167POSSIBLE MATCH
CARBON ROD,WELDING
3439-00-267-2923POSSIBLE MATCH
CARBON BLOCK,WELDING
3439-00-267-2924POSSIBLE MATCH
CARBON BLOCK,WELDING
Frequently Asked Questions
What is NSN 3439-00-262-4159?
NSN 3439-00-262-4159 is a Carbon Block,welding, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
What NSN replaces 3439-00-262-4159?
6 possible matches (shared part number, not a government interchangeability claim): 3439-00-262-4163, 3439-00-262-4164, 3439-00-262-4165. Verify interchangeability with system specifications before substitution.
What are the specifications of 3439-00-262-4159?
Key specifications for 3439-00-262-4159: Overall Thickness: 0.500 INCHES NOMINAL IN; Shape: RECTANGULAR; Overall Length: 12.000 INCHES NOMINAL IN; Overall Width: 6.000 INCHES NOMINAL IN. 2 specifications are documented in the U.S. Government catalog.
Is NSN 3439-00-262-4159 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.