NSN 3439-01-385-9599 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-385-9599. Manufacturer of record part number: PAC905-3.
Also searched as3439-01-385-9599 ·
3439013859599 ·
NIIN 013859599 ·
01-385-9599 ·
FSC 3439 Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories · CAGE 56923 · PAC905-3
FSC: 3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
FSG: 34 — Metalworking Machinery (continued)
Primary part number: PAC905-3
Manufacturer: Powder Alloy Corp
General Description
The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-385-9599, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Powder Alloy Corp. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3439-01-385-9599
Primary Part Number
PAC905-3
Item Name
Welding Powder,metallic Overlay
FSC / FSG
3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
Manufacturer
Powder Alloy Corp
Status
ACTIVE
Criticality Code Justification
FEAT
Content Within Each Unit Package
5 LB LBS
Material
ALUMINUM ALLOY BASIC
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Hazardous per DLA record (HMIC Y)
Criticality Code
Y
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
NSN 3439-01-385-9599 is a Welding Powder,metallic Overlay, manufactured by Powder Alloy Corp, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
What part numbers are listed for NSN 3439-01-385-9599?
NSN 3439-01-385-9599 has 1 manufacturer part number on file: PAC905-3 (Powder Alloy Corp).
What NSN replaces 3439-01-385-9599?
7 possible matches (shared part number, not a government interchangeability claim): 3439-01-477-7647, 3439-01-477-7650, 3439-01-477-7651. Verify interchangeability with system specifications before substitution.
What are the specifications of PAC905-3?
Key specifications for PAC905-3: Criticality Code Justification: FEAT; Content Within Each Unit Package: 5 LB LBS; Special Features: UNIT PACKAGE TYPE IS CONTAINER; A BLENDED MIXTURE OF A PREMIUM SILICON-ALUMINUM ALLOY AND POLYAMIDE POWDERS ESPECIALLY DEVELOPED TO PRODUCE LONG-LIVED CLEARANCE CONTROL COATINGS FOR AIRCRAFT ENGINE APPLICATIONS; COATINGS EXHIBIT A HIGH DEGREE OF ABRADABILITY WHICH, WHEN RUBBED, CAUSE NO APPRECIABLE WEAR; MACHINES EASILY WITH HIGH SPEED STEEL OR CARBIDE TOOLS; CERTIFICATION: PWA 1349; Material: ALUMINUM ALLOY BASIC. 3 specifications are documented in the U.S. Government catalog.
Is NSN 3439-01-385-9599 hazardous material?
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.