PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1Flux,welding

Anti-Borax Compound Co Inc · NSN 3439-00-255-4580 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-255-4580 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-255-4580. Primary manufacturer part number: 1.
Features
  • Flux,welding — FSC 3439
  • Content Within Each Unit Package: 1 LB LBS
  • Welding Process for Which Designed: GAS
  • Mesh Size: 80
  • Nondefinitive Spec/std Data: C TYPE
  • Material for Which Formulated: IRON, CAST
  • Physical Form: POWDER
  • 4 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flux,welding, cataloged under National Stock Number 3439-00-255-4580, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Anti-Borax Compound Co Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3439-00-255-4580
Primary Part Number1
Item NameFlux,welding
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerAnti-Borax Compound Co Inc
StatusCANCELLED
Content Within Each Unit Package1 LB LBS
Welding Process for Which DesignedGAS
Mesh Size80
Nondefinitive Spec/std DataC TYPE
Material for Which FormulatedIRON, CAST
Physical FormPOWDER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3439-00-255-9940 INTERCHANGEABLE
Flux,welding
3439-00-260-1267PETERSON NO 1 INTERCHANGEABLE
Flux,brazing
Jo-Jon, Inc Dba Specialty Welding Supply Div Jo-Jon, Incorporated
5945-00-390-9960 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
MIL-F-16136 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1 PRIMARY Anti-Borax Compound Co Inc (USA)
SC-609 Allen L B Co Inc (USA)
SUPERIOR NO. 11 PRIMARY Superior Flux & Manufacturing Co (USA)
Related Parts
3439-00-255-9940INTERCHANGEABLE
FLUX,WELDING
3439-00-260-1267INTERCHANGEABLE
FLUX,BRAZING
PETERSON NO 1
5945-00-390-9960INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 3439-00-255-4580?

NSN 3439-00-255-4580 is a Flux,welding, manufactured by Anti-Borax Compound Co Inc, classified under FSC 3439 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3439-00-255-4580?

NSN 3439-00-255-4580 has 4 cross-referenced part numbers: MIL-F-16136 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1 (Anti-Borax Compound Co Inc), SC-609 (Allen L B Co Inc), SUPERIOR NO. 11 (Superior Flux & Manufacturing Co).

What NSN replaces 3439-00-255-4580?

There are 3 known substitutes for 3439-00-255-4580: 3439-00-255-9940, 3439-00-260-1267, 5945-00-390-9960. Verify interchangeability with system specifications before substitution.

What are the specifications of 1?

Key specifications for 1: Content Within Each Unit Package: 1 LB LBS; Welding Process for Which Designed: GAS; Mesh Size: 80; Nondefinitive Spec/std Data: C TYPE. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3439-00-255-4580 still in active supply?

NSN 3439-00-255-4580 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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