The Nozzle,welding, cataloged under National Stock Number 3433-01-668-3749, is classified within Federal Supply Class 3433 (Gas Welding, Heat Cutting, and Metalizing Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Airgas Usa, Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nozzle,welding |
| FSC / FSG | 3433 — Gas Welding, Heat Cutting, and Metalizing Equipment (FSG 34) |
| Manufacturers | Airgas Usa, Llc (CAGE 3WRY5) |
| Parameter | Value |
|---|---|
| NSN | 3433-01-668-3749 |
| Primary Part Number | MIL249934 |
| Item Name | Nozzle,welding |
| FSC / FSG | 3433 / 34 — Gas Welding, Heat Cutting, and Metalizing Equipment |
| Manufacturer | Airgas Usa, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MIL249934 | Airgas Usa, Llc (USA) |
| Reference | Meaning |
|---|---|
| 249934 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
| 249934 | 5/9 Secondary reference Thermacut, Inc. Div Thermacut Inc |
NSN 3433-01-668-3749 is a Nozzle,welding, manufactured by Airgas Usa, Llc, classified under FSC 3433, Gas Welding, Heat Cutting, and Metalizing Equipment. Status: active.
NSN 3433-01-668-3749 has 1 manufacturer part number on file: MIL249934 (Airgas Usa, Llc).
Possible hazard — SDS may be required (DLA HMIC P). 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.