PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

SILF0SBrazing Alloy,silver

Handy & Harman · NSN 3439-00-077-1418 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-077-1418 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-077-1418. Primary manufacturer part number: SILF0S.
Features
  • Brazing Alloy,silver — FSC 3439
  • Length: 36.000 INCHES NOMINAL IN
  • Diameter: 0.250 INCHES NOMINAL IN
  • Precious Material: SILVER
  • Chemical Composition Percentage: SILVER 15.0; REMAINDER UNSPECIFIED
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY DIAMETER,LENGTH
  • Flux Feature: NOT INCLUDED
  • 1 verified cross-reference
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Brazing Alloy,silver, cataloged under National Stock Number 3439-00-077-1418, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Handy & Harman. Government technical data includes 6 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-00-077-1418
Primary Part NumberSILF0S
Item NameBrazing Alloy,silver
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerHandy & Harman
StatusACTIVE
Length36.000 INCHES NOMINAL IN
Diameter0.250 INCHES NOMINAL IN
Precious MaterialSILVER
Chemical Composition PercentageSILVER 15.0; REMAINDER UNSPECIFIED
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY DIAMETER,LENGTH
Flux FeatureNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3439-00-052-1899AWSA5.8-92 BCUP-5-0.063 INTERCHANGEABLE
Brazing Alloy,silver
American Welding Society, Inc.
Cross-Reference Index
Part NumberManufacturer
SILF0S Handy & Harman (USA)
Related Parts
3439-00-052-1899INTERCHANGEABLE
BRAZING ALLOY,SILVER
AWSA5.8-92 BCUP-5-0.063

Frequently Asked Questions

What is NSN 3439-00-077-1418?

NSN 3439-00-077-1418 is a Brazing Alloy,silver, manufactured by Handy & Harman, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-00-077-1418?

NSN 3439-00-077-1418 has 1 cross-referenced part number: SILF0S (Handy & Harman).

What NSN replaces 3439-00-077-1418?

There is 1 known substitute for 3439-00-077-1418: 3439-00-052-1899. Verify interchangeability with system specifications before substitution.

What are the specifications of SILF0S?

Key specifications for SILF0S: Length: 36.000 INCHES NOMINAL IN; Diameter: 0.250 INCHES NOMINAL IN; Precious Material: SILVER; Chemical Composition Percentage: SILVER 15.0; REMAINDER UNSPECIFIED. 6 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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