PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

MILF12784Flux,soldering

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3439-00-270-6050 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-270-6050 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-270-6050. Primary manufacturer part number: MILF12784.
Features
  • Flux,soldering — FSC 3439
  • Environmental Protection: CORROSION RESISTANT
  • Content Within Each Unit Package: 1/4 LB LBS
  • Specific Metal for Which Formulated: LEAD
  • Material for Which Formulated: LEAD TIN ALLOY
  • Physical Form: STICK
  • 1 verified cross-reference
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flux,soldering, cataloged under National Stock Number 3439-00-270-6050, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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
NSN3439-00-270-6050
Primary Part NumberMILF12784
Item NameFlux,soldering
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Environmental ProtectionCORROSION RESISTANT
Content Within Each Unit Package1/4 LB LBS
Specific Metal for Which FormulatedLEAD
Material for Which FormulatedLEAD TIN ALLOY
Physical FormSTICK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
MILF12784 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts in Metalworking Machinery (continued)
3439-00-001-0002
NO ITEM NAME AVAILABLE
3439-00-001-4196
NO ITEM NAME AVAILABLE
3439-00-001-4197
NO ITEM NAME AVAILABLE
3439-00-003-1195
NO ITEM NAME AVAILABLE
3439-00-003-8601
SOLDER,LEAD ALLOY
SN10WRP20.028 1LB
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 3439-00-270-6050?

NSN 3439-00-270-6050 is a Flux,soldering, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-00-270-6050?

NSN 3439-00-270-6050 has 1 cross-referenced part number: MILF12784 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What are the specifications of MILF12784?

Key specifications for MILF12784: Environmental Protection: CORROSION RESISTANT; Content Within Each Unit Package: 1/4 LB LBS; Specific Metal for Which Formulated: LEAD; Material for Which Formulated: LEAD TIN ALLOY. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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