PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51-853Flux,soldering

Marshall-Swartchild Co · NSN 3439-00-255-4569 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-255-4569 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-255-4569. Primary manufacturer part number: 51-853.
Features
  • Flux,soldering — FSC 3439
  • Content Within Each Unit Package: 3 OZ OZ
  • Specific Metal for Which Formulated: GOLD,SILVER,PLATINUM AND PLATED JEWELRY
  • Material for Which Formulated: HARD
  • Environmental Protection: OXIDATION RESISTANT
  • Physical Form: LIQUID
  • 3 verified cross-references
  • Primary manufacturer: Marshall-Swartchild Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flux,soldering, cataloged under National Stock Number 3439-00-255-4569, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Marshall-Swartchild Co. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-00-255-4569
Primary Part Number51-853
Item NameFlux,soldering
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerMarshall-Swartchild Co
StatusACTIVE
Content Within Each Unit Package3 OZ OZ
Specific Metal for Which FormulatedGOLD,SILVER,PLATINUM AND PLATED JEWELRY
Material for Which FormulatedHARD
Environmental ProtectionOXIDATION RESISTANT
Physical FormLIQUID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5998-00-070-01095185-3 INTERCHANGEABLE
Electronic Components Assembly
Rockwell Collins, Inc. Dba Rc Displays Systems
5945-00-079-863311069176 INTERCHANGEABLE
Solenoid,electrical
Us Army Aviation and Missile Command
3020-00-863-700951853 INTERCHANGEABLE
Brake Shoe Assy
Aerol Llc
6145-00-881-8177 INTERCHANGEABLE
Wire,electrical
6625-00-964-9267TA357 INTERCHANGEABLE
Probe-Lead Assembly,test
Newark Electronics Corporation Dba Newark
5950-00-977-12899140-0045PS INTERCHANGEABLE
Transformer,radio Frequency
Keysight Technologies Inc
5360-01-017-549718574 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4130-01-459-378718574 INTERCHANGEABLE
Vacu-Discs
Dcm Clean Air Products, Inc.
Cross-Reference Index
Part NumberManufacturer
51-853 Marshall-Swartchild Co (USA)
18574 Marshall-Swartchild Co (USA)
54.402-1 Grobet File Company of America, Inc. Dba William Dixon (USA)
Related Parts
5998-00-070-0109INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
5185-3
5945-00-079-8633INTERCHANGEABLE
SOLENOID,ELECTRICAL
11069176
3020-00-863-7009INTERCHANGEABLE
BRAKE SHOE ASSY
51853
6145-00-881-8177INTERCHANGEABLE
WIRE,ELECTRICAL
6625-00-964-9267INTERCHANGEABLE
PROBE-LEAD ASSEMBLY,TEST
TA357
5950-00-977-1289INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
9140-0045PS
5360-01-017-5497INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
18574
4130-01-459-3787INTERCHANGEABLE
VACU-DISCS
18574

Frequently Asked Questions

What is NSN 3439-00-255-4569?

NSN 3439-00-255-4569 is a Flux,soldering, manufactured by Marshall-Swartchild Co, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-00-255-4569?

NSN 3439-00-255-4569 has 3 cross-referenced part numbers: 51-853 (Marshall-Swartchild Co), 18574 (Marshall-Swartchild Co), 54.402-1 (Grobet File Company of America, Inc. Dba William Dixon).

What NSN replaces 3439-00-255-4569?

There are 8 known substitutes for 3439-00-255-4569: 5998-00-070-0109, 5945-00-079-8633, 3020-00-863-7009 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51-853?

Key specifications for 51-853: Content Within Each Unit Package: 3 OZ OZ; Specific Metal for Which Formulated: GOLD,SILVER,PLATINUM AND PLATED JEWELRY; Material for Which Formulated: HARD; Environmental Protection: OXIDATION RESISTANT. 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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