NSN 3439-01-385-9558 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-385-9558. Manufacturer of record part number: PAC138.
Also searched as3439-01-385-9558 ·
3439013859558 ·
NIIN 013859558 ·
01-385-9558 ·
FSC 3439 Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories · CAGE 56923 · PAC138
FSC: 3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
FSG: 34 — Metalworking Machinery (continued)
Primary part number: PAC138
Manufacturer: Powder Alloy Corp
General Description
The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-385-9558, 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
3439-01-385-9558
Primary Part Number
PAC138
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
GRAPHITE AND NICKEL 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 3439-01-385-9558 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 3439-01-385-9558?
NSN 3439-01-385-9558 has 1 manufacturer part number on file: PAC138 (Powder Alloy Corp).
What NSN replaces 3439-01-385-9558?
7 possible matches (shared part number, not a government interchangeability claim): 3439-01-477-5488, 3439-01-477-5491, 3439-01-477-5493. Verify interchangeability with system specifications before substitution.
What are the specifications of PAC138?
Key specifications for PAC138: Criticality Code Justification: FEAT; Content Within Each Unit Package: 5 LB LBS; Special Features: COMPOSITE POWDER CONSISTING OF A GRAPHITE CORE CLAD WITH PURE NICKEL SHELL. PRODUCES CLEARANCE CONTROL COATINGS SUITABLE FOR USE IN THE COMPRESSOR SECTIONS OF AIRCRAFT JET ENGINES. USEFUL TO 900 DEGREES FARENHEIT; NORMALLY SPRAYED UTILIZING OXY-ACETYLENE EQUIPMENT; READILY FINISHED WITH HIGH SPEED STEEL OR CARBIDE TOOLS; CERTIFICATION: PWA 1352-1; Material: GRAPHITE AND NICKEL BASIC. 3 specifications are documented in the U.S. Government catalog.
Is NSN 3439-01-385-9558 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.