PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1537396Flux,soldering

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3439-00-985-3225 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-985-3225 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-985-3225. Primary manufacturer part number: 1537396.
Features
  • Flux,soldering — FSC 3439
  • Material for Which Formulated: LEAD TIN ALLOY
  • Content Within Each Unit Package: 1 GAL
  • Physical Form: LIQUID
  • 5 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flux,soldering, cataloged under National Stock Number 3439-00-985-3225, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3439-00-985-3225
Primary Part Number1537396
Item NameFlux,soldering
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Material for Which FormulatedLEAD TIN ALLOY
Content Within Each Unit Package1 GAL
Physical FormLIQUID
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6685-00-113-6606200L INTERCHANGEABLE
Plate,temperature I
Palmer Wahl Instruments Inc.
5340-00-244-3151 INTERCHANGEABLE
Clevis,rod End
6685-00-282-6171108119R91 INTERCHANGEABLE
Thermostat,flow Control
Navistar Intl Corp Truck Br Ohio Plant
5340-00-753-3594 INTERCHANGEABLE
Grip,handle
5360-01-109-934704750-200L-375 INTERCHANGEABLE
Spring,helical,compression
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
2590-01-694-5755D850-132L INTERCHANGEABLE
Drum,winch
Service Spring Corp.
Cross-Reference Index
Part NumberManufacturer
1537396 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1537396 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
200L Alpha Metals Inc Div Alpha Assembly Solutions Inc (USA)
200L 1 GAL Frys Metals Inc (USA)
200L Frys Metals Inc (USA)
Related Parts
6685-00-113-6606INTERCHANGEABLE
PLATE,TEMPERATURE I
200L
5340-00-244-3151INTERCHANGEABLE
CLEVIS,ROD END
6685-00-282-6171INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
108119R91
5340-00-753-3594INTERCHANGEABLE
GRIP,HANDLE
5360-01-109-9347INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
04750-200L-375
2590-01-694-5755INTERCHANGEABLE
DRUM,WINCH
D850-132L

Frequently Asked Questions

What is NSN 3439-00-985-3225?

NSN 3439-00-985-3225 is a Flux,soldering, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3439 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3439-00-985-3225?

NSN 3439-00-985-3225 has 5 cross-referenced part numbers: 1537396 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1537396 (Lockheed Martin Corp Naval Electronics & Surveillance Systems), 200L (Alpha Metals Inc Div Alpha Assembly Solutions Inc), 200L 1 GAL (Frys Metals Inc), 200L (Frys Metals Inc).

What NSN replaces 3439-00-985-3225?

There are 6 known substitutes for 3439-00-985-3225: 6685-00-113-6606, 5340-00-244-3151, 6685-00-282-6171 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1537396?

Key specifications for 1537396: Material for Which Formulated: LEAD TIN ALLOY; Content Within Each Unit Package: 1 GAL; Physical Form: LIQUID. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3439-00-985-3225 still in active supply?

NSN 3439-00-985-3225 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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