PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40026Flux,soldering

J. W. Harris Co., Inc. · NSN 3439-01-236-9572 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-236-9572 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-236-9572. Primary manufacturer part number: 40026.
Features
  • Flux,soldering — FSC 3439
  • Material for Which Formulated: COPPER ALLOY
  • Content Within Each Unit Package: 2 OZ OZ
  • Physical Form: PASTE
  • 5 verified cross-references
  • Primary manufacturer: J. W. Harris Co., Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flux,soldering, cataloged under National Stock Number 3439-01-236-9572, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is J. W. Harris Co., Inc.. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-01-236-9572
Primary Part Number40026
Item NameFlux,soldering
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerJ. W. Harris Co., Inc.
StatusACTIVE
Material for Which FormulatedCOPPER ALLOY
Content Within Each Unit Package2 OZ OZ
Physical FormPASTE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-071-92871193-171 INTERCHANGEABLE
Transformer,power
Bae Systems Information and Electronic Systems Integration Inc.
5360-00-083-378140026 INTERCHANGEABLE
Spring
Products Support, Llc Dba Vitesse Systems - Jessup, Md
5330-00-248-208215XG131000 INTERCHANGEABLE
Gasket
Garwood/feller Inc Garwood Winch Div
3439-00-250-2629 INTERCHANGEABLE
Flux,soldering
3439-00-255-4566 INTERCHANGEABLE
Flux,soldering
3439-00-255-4571 INTERCHANGEABLE
Flux,soldering
3439-00-260-1264 INTERCHANGEABLE
Flux,soldering
5325-00-290-8232BACS21X6 INTERCHANGEABLE
Stud Assembly,turnlock Fastener
The Boeing Company Div Defense
5950-00-538-255940026 INTERCHANGEABLE
Transformer,audio Frequency
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
3439-00-629-7489 INTERCHANGEABLE
Flux,soldering
Cross-Reference Index
Part NumberManufacturer
40026 J. W. Harris Co., Inc. (USA)
O-F-506 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-51145 TY I FM A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AA51145-1A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-51145 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5950-00-071-9287INTERCHANGEABLE
TRANSFORMER,POWER
1193-171
5360-00-083-3781INTERCHANGEABLE
SPRING
40026
5330-00-248-2082INTERCHANGEABLE
GASKET
15XG131000
3439-00-250-2629INTERCHANGEABLE
FLUX,SOLDERING
3439-00-255-4566INTERCHANGEABLE
FLUX,SOLDERING
3439-00-255-4571INTERCHANGEABLE
FLUX,SOLDERING
3439-00-260-1264INTERCHANGEABLE
FLUX,SOLDERING
5325-00-290-8232INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
BACS21X6
5950-00-538-2559INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
40026
3439-00-629-7489INTERCHANGEABLE
FLUX,SOLDERING
1660-00-874-7524INTERCHANGEABLE
FITTING,VALVE
5910-00-959-2857INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR

Frequently Asked Questions

What is NSN 3439-01-236-9572?

NSN 3439-01-236-9572 is a Flux,soldering, manufactured by J. W. Harris Co., Inc., classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-01-236-9572?

NSN 3439-01-236-9572 has 5 cross-referenced part numbers: 40026 (J. W. Harris Co., Inc.), O-F-506 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-51145 TY I FM A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), AA51145-1A (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-51145 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3439-01-236-9572?

There are 12 known substitutes for 3439-01-236-9572: 5950-00-071-9287, 5360-00-083-3781, 5330-00-248-2082 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40026?

Key specifications for 40026: Material for Which Formulated: COPPER ALLOY; Content Within Each Unit Package: 2 OZ OZ; Physical Form: PASTE. 3 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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