The Welding Powder,metallic Overlay, cataloged under National Stock Number 3439-01-477-2937, 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 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-477-2937 |
| Primary Part Number | PAC98C1 40-79 |
| Item Name | Welding Powder,metallic Overlay |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Powder Alloy Corp |
| Status | ACTIVE |
| Content Within Each Unit Package | 12.5LBS LBS |
| Material | NICKEL ALLOY BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PAC98C1 40-79 PRIMARY | Powder Alloy Corp (USA) |
| Reference | Meaning |
|---|---|
| POWCVC | 5/1 Secondary reference Dla Aviation Engineering Div Department of Defense |
| PAC98C-1 | 3/1 Design control — primary reference Powder Alloy Corp |
NSN 3439-01-477-2937 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.
NSN 3439-01-477-2937 has 1 manufacturer part number on file: PAC98C1 40-79 (Powder Alloy Corp).
2 possible matches (shared part number, not a government interchangeability claim): 3439-01-477-2939, 3439-01-477-2940. Verify interchangeability with system specifications before substitution.
Key specifications for PAC98C1 40-79: Content Within Each Unit Package: 12.5LBS LBS; Special Features: NSN USED TO PURCHASE A MINIMUM OF 40 CONTAINERS TO A MAXIMUM OF 79 CONTAINERS;CERTIFICATION OS 8293,OS 10602,GE B50TF40 CLS A,PWA 1315,BOEING BMS 10-67 (TYP 6),AND GENERAL MTRS EMS 56760, RR 9507/8;RB 90-95 HARDNESS;3000 PSI MINIMUM STRENGTH;EASILY MACHINED WITH ALL GRADES OF CUTTING TOOLS; Material: NICKEL ALLOY BASIC. 2 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
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.