The Nozzle,welding, cataloged under National Stock Number 3431-00-784-2605, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Merkle (uk) Limited. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3431-00-784-2605 |
| Primary Part Number | 13N09 |
| Item Name | Nozzle,welding |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | Merkle (uk) Limited |
| Status | ACTIVE |
| Style Designator | STRAIGHT |
| Welding Process for Which Designed | ARC |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 13N09 | Merkle (uk) Limited (GBR) |
| Reference | Meaning |
|---|---|
| 13N09 | 5/9 Secondary reference Union Carbide Corp Sub of Dow Co the |
| 13N09 | 5/9 Secondary reference L-Tec Welding and Cutting Systems |
| 20050 | 5/9 Secondary reference Standard Welders Equipment Corporation |
| 13N09 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3431-00-784-2605 is a Nozzle,welding, manufactured by Merkle (uk) Limited, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-00-784-2605 has 1 manufacturer part number on file: 13N09 (Merkle (uk) Limited).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-339-8410. Verify interchangeability with system specifications before substitution.
Key specifications for 13N09: Style Designator: STRAIGHT; Overall Length: 1.156 INCHES NOMINAL IN; Welding Process for Which Designed: ARC; Special Features: SIZE 5. 3 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.
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.