PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

24-6337-8801Solder,tin Alloy

Kester Inc · NSN 3439-01-669-6021 · FSC 3439 · Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
Government record, cited
NSN 3439-01-669-6021 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-669-6021. Primary manufacturer part number: 24-6337-8801.
Features
  • Solder,tin Alloy — FSC 3439
  • Wire Core Type: ROSIN
  • Diameter: 0.03 INCHES NOMINAL IN
  • Content Within Each Unit Package: 1POUND LBS
  • Physical Form: WIRE
  • Chemical Composition Percentage: 2.2LEAD
  • 1 commercial cross-reference
  • Primary manufacturer: Kester Inc
Identification
  • NSN: 3439-01-669-6021
  • NIIN: 016696021
  • FSC: 3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
  • FSG: 34 — Metalworking Machinery (continued)
  • Primary part number: 24-6337-8801
  • Manufacturer: Kester Inc
General Description

The Solder,tin Alloy, cataloged under National Stock Number 3439-01-669-6021, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Kester Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-01-669-6021
Primary Part Number24-6337-8801
Item NameSolder,tin Alloy
FSC / FSG3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
ManufacturerKester Inc
StatusACTIVE
Wire Core TypeROSIN
Diameter0.03 INCHES NOMINAL IN
Content Within Each Unit Package1POUND LBS
Physical FormWIRE
Chemical Composition Percentage2.2LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HazardNot stated in government record
Cross-Reference Index
Part NumberManufacturer
24-6337-8801 PRIMARY Kester Inc (USA)
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.
3439-00-003-8601
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 3439-01-669-6021?

NSN 3439-01-669-6021 is a Solder,tin Alloy, manufactured by Kester Inc, classified under FSC 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories). Status: active.

What are the part numbers for NSN 3439-01-669-6021?

NSN 3439-01-669-6021 has 1 cross-referenced part number: 24-6337-8801 (Kester Inc).

What are the specifications of 24-6337-8801?

Key specifications for 24-6337-8801: Wire Core Type: ROSIN; Diameter: 0.03 INCHES NOMINAL IN; Content Within Each Unit Package: 1POUND LBS; Physical Form: WIRE. 5 specifications are documented in the U.S. Government catalog.

Is NSN 3439-01-669-6021 hazardous material?

Hazard status is not stated in the government record for NSN 3439-01-669-6021 — no DOT hazard class, UN number, or hazard classification field is present in the cited data. This page does not assert an item is or is not hazardous.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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