The Welding Machine,arc, cataloged under National Stock Number 3431-01-063-3340, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Miller Electric Mfg. Llc. 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3431-01-063-3340 |
| Primary Part Number | 907783 |
| Item Name | Welding Machine,arc |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | Miller Electric Mfg. Llc |
| Status | CANCELLED |
| Arc Current Type | AC OR DC |
| Maximum Current at Specified Voltage | 300 AMP AT 32 V V |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 907783 PRIMARY | Miller Electric Mfg. Llc (USA) |
| Reference | Meaning |
|---|---|
| 330ABSP | 5/9 Secondary reference Miller Electric Mfg. Co. |
| SYNCROWAVE 300 | 5/9 Secondary reference Miller Electric Mfg. Co. |
| SYNCROWAVE 350 LX, P/N 907198 | 5/9 Secondary reference Miller Electric Mfg. Llc |
| MIL-W-80027 | 5/9 Secondary reference U.S. Government activity |
| SYNCROWAVE 350LX | 5/9 Secondary reference Miller Electric Mfg. Co. |
| 902424 | 5/9 Secondary reference Miller Electric Mfg. Co. |
| 903513 | 5/9 Secondary reference Miller Electric Mfg. Co. |
| SYNCROWAVE 350 LX, P/N 907198 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
NSN 3431-01-063-3340 is a Welding Machine,arc, manufactured by Miller Electric Mfg. Llc, classified under FSC 3431, Electric Arc Welding Equipment. Status: cancelled.
NSN 3431-01-063-3340 has 1 manufacturer part number on file: 907783 (Miller Electric Mfg. Llc).
2 possible matches (shared part number, not a government interchangeability claim): 3120-01-234-6293, 5340-01-648-8631. Verify interchangeability with system specifications before substitution.
Key specifications for 907783: Arc Current Type: AC OR DC; Maximum Current at Specified Voltage: 300 AMP AT 32 V V. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 3431-01-063-3340 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.