PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

PAC909Welding Powder,metallic Overlay

Powder Alloy Corp · NSN 3439-01-477-7901 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-477-7901 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-477-7901. Primary manufacturer part number: PAC909.
Features
  • Welding Powder,metallic Overlay — FSC 3439
  • Material: NICKEL AND ALUMINUM BASIC
  • Content Within Each Unit Package: 12.5LBS LBS
  • 2 verified cross-references
  • Primary manufacturer: Powder Alloy Corp
Applications
  • Applications requiring Nickel and Aluminum Basic construction
General Description

The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-477-7901, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-01-477-7901
Primary Part NumberPAC909
Item NameWelding Powder,metallic Overlay
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerPowder Alloy Corp
StatusACTIVE
MaterialNICKEL AND ALUMINUM BASIC
Content Within Each Unit Package12.5LBS LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3439-00-284-0131405 INTERCHANGEABLE
Wire,spray Gun
Oerlikon Metco Us Inc
3439-01-477-7898 INTERCHANGEABLE
Welding Powder,metallic Overlay
3439-01-477-7904 INTERCHANGEABLE
Welding Powder,metallic Overlay
3439-01-477-7907 INTERCHANGEABLE
Welding Powder,metallic Overlay
3439-01-477-7909 INTERCHANGEABLE
Welding Powder,metallic Overlay
3439-01-477-7911 INTERCHANGEABLE
Welding Powder,metallic Overlay
Cross-Reference Index
Part NumberManufacturer
PAC909 Powder Alloy Corp (USA)
POWCVC Dla Aviation Engineering Div Department of Defense (USA)
Related Parts
3439-00-284-0131INTERCHANGEABLE
WIRE,SPRAY GUN
405
3439-01-477-7898INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
3439-01-477-7904INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
3439-01-477-7907INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
3439-01-477-7909INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
3439-01-477-7911INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY

Frequently Asked Questions

What is NSN 3439-01-477-7901?

NSN 3439-01-477-7901 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 3439-01-477-7901?

NSN 3439-01-477-7901 has 2 cross-referenced part numbers: PAC909 (Powder Alloy Corp), POWCVC (Dla Aviation Engineering Div Department of Defense).

What NSN replaces 3439-01-477-7901?

There are 6 known substitutes for 3439-01-477-7901: 3439-00-284-0131, 3439-01-477-7898, 3439-01-477-7904 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PAC909?

Key specifications for PAC909: Material: NICKEL AND ALUMINUM BASIC; Content Within Each Unit Package: 12.5LBS LBS; Special Features: NSN USED TO PURCHASE A MINIMUM OF 3 CONTAINRS TO A MAXIMUM OF 7 CONTAINERS;CERTIFICATION PWA 1321,AVCO M 3952A,GE B50TF33 AND RR 9507/4;RB 70-80 HARDNESS;2500 PSI MINIMUM STRENGTH FOR SMOOTH SURFACES AND 5000 PSI MINIMUMSTRENGTH FOR ROUGHENED SURFACES;COARSE AS SPRAYED,GROUND GOOD;NICKEL CLAD ALUMINUM COMPOSITE POWDER.REACTS EXOTHERMICALLY DURING SPRAYING TO FORM METALLURGICAL BONDS WITH ALL SUBSTRATES EXCEPT COPPER AND ITS ALLOYS.COATINGS ARE TIGHT,DENSE;RESISTANT TO TEMPREATURES TO 1800DEG (F), THERMAL SHOCK AND EROSION A. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com