PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

PACT800Welding Powder,metallic Overlay

Powder Alloy Corp · NSN 3439-01-477-7121 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-477-7121 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-477-7121. Primary manufacturer part number: PACT800.
Features
  • Welding Powder,metallic Overlay — FSC 3439
  • Material: COBALT AND CHROMIUM AND MOLYBDENUM BASIC
  • Content Within Each Unit Package: 12.5LBS LBS
  • 2 verified cross-references
  • Primary manufacturer: Powder Alloy Corp
Applications
  • Applications requiring Cobalt and Chromium and Molybdenum Basic construction
General Description

The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-477-7121, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Powder Alloy Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-01-477-7121
Primary Part NumberPACT800
Item NameWelding Powder,metallic Overlay
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerPowder Alloy Corp
StatusACTIVE
MaterialCOBALT AND CHROMIUM AND MOLYBDENUM BASIC
Content Within Each Unit Package12.5LBS LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3439-01-397-1968PACT800 INTERCHANGEABLE
Welding Powder,metallic Overlay
Powder Alloy Corp
3439-01-477-7124 INTERCHANGEABLE
Welding Powder,metallic Overlay
3439-01-477-7125 INTERCHANGEABLE
Welding Powder,metallic Overlay
3439-01-477-7126 INTERCHANGEABLE
Welding Powder,metallic Overlay
3439-01-477-7128 INTERCHANGEABLE
Welding Powder,metallic Overlay
3439-01-477-7142 INTERCHANGEABLE
Welding Powder,metallic Overlay
3439-01-477-7145 INTERCHANGEABLE
Welding Powder,metallic Overlay
Cross-Reference Index
Part NumberManufacturer
PACT800 Powder Alloy Corp (USA)
POWCVC Dla Aviation Engineering Div Department of Defense (USA)
Related Parts
3439-01-397-1968INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
PACT800
3439-01-477-7124INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
3439-01-477-7125INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
3439-01-477-7126INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
3439-01-477-7128INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
3439-01-477-7142INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
3439-01-477-7145INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY

Frequently Asked Questions

What is NSN 3439-01-477-7121?

NSN 3439-01-477-7121 is a Welding Powder,metallic Overlay, manufactured by Powder Alloy Corp, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-01-477-7121?

NSN 3439-01-477-7121 has 2 cross-referenced part numbers: PACT800 (Powder Alloy Corp), POWCVC (Dla Aviation Engineering Div Department of Defense).

What NSN replaces 3439-01-477-7121?

There are 7 known substitutes for 3439-01-477-7121: 3439-01-397-1968, 3439-01-477-7124, 3439-01-477-7125 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PACT800?

Key specifications for PACT800: Material: COBALT AND CHROMIUM AND MOLYBDENUM BASIC; Special Features: NSN USED TO PURCHASE A MINIMUM OF 1 CONTAINER TO A MAXIMUM OF 2 CONTAINERS;CERTIFICATION GE B50TF190 CLASS A;RC 46 HARDNESS;6000 PSI MINIMUM STRENGTH;MACHINES READILY WITH SILICON-CARBIDE TOOLS.HAS LOWER CHROMIUM AND HIGHER SILICON CONTENT,BETTER SUITED TO WITHSTAND HOSTILE OXIDATION AND HOT CORROSION ENVIRONMENTS UP TO 1750DEG (F); Content Within Each Unit Package: 12.5LBS LBS. 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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