FSC 3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories · FSG 34 — Metalworking Machinery (continued)
Government record, cited
Also searched as3439-01-129-2944 ·
3439011292944 ·
NIIN 011292944 ·
01-129-2944 ·
FSC 3439 Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories · SN50WRMAP3032 · QQ-S-571
Nearby stock numbers← 3439-01-129-2943
·
3439-01-129-3912 Soldering Iron, Electric →
Features
Solder,tin Alloy — FSC 3439
Wire Core Type: ROSIN
Diameter: 0.032 INCHES NOMINAL IN
Content Within Each Unit Package: 1 LB LBS
Physical Form: WIRE
Chemical Composition Percentage: TIN 49.5 TO 51.5; ANTIMONY 0.20 T0 0.50; BISMUTH 0.25; COPPER 0.08; IRON 0.02; ZINC 0.005; ALUMINUM 0.005; ARSENIC 0.025; OTHERS 0.08; LEAD 49.835
Identification
NSN: 3439-01-129-2944
NIIN: 011292944
FSC: 3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
FSG: 34 — Metalworking Machinery (continued)
General Description
The Solder,tin Alloy, cataloged under National Stock Number 3439-01-129-2944, 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 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3439-01-129-2944
Item Name
Solder,tin Alloy
FSC / FSG
3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
Status
ACTIVE
Wire Core Type
ROSIN
Diameter
0.032 INCHES NOMINAL IN
Content Within Each Unit Package
1 LB LBS
Physical Form
WIRE
Chemical Composition Percentage
TIN 49.5 TO 51.5; ANTIMONY 0.20 T0 0.50; BISMUTH 0.25; COPPER 0.08; IRON 0.02; ZINC 0.005; ALUMINUM 0.005; ARSENIC 0.025; OTHERS 0.08; LEAD 49.835
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
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
SN50WRMAP3032
2/2Government specification standardization
U.S. Government activity
QQ-S-571
4/1Identification reference
U.S. Government activity
No interchangeability data on file.
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 3439-01-129-2944?
NSN 3439-01-129-2944 is a Solder,tin Alloy, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
What are the specifications of 3439-01-129-2944?
Key specifications for 3439-01-129-2944: Wire Core Type: ROSIN; Diameter: 0.032 INCHES NOMINAL IN; Content Within Each Unit Package: 1 LB LBS; Physical Form: WIRE. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3439-01-129-2944 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.