The Nozzle,welding, cataloged under National Stock Number 3433-01-423-5723, 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 Victor Equipment Co. 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. 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 | 3433-01-423-5723 |
| Primary Part Number | UN-1 |
| Item Name | Nozzle,welding |
| FSC / FSG | 3433 / 34 — Gas Welding, Heat Cutting, and Metalizing Equipment |
| Manufacturer | Victor Equipment Co |
| Status | ACTIVE |
| Welding Process for Which Designed | BRAZE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| UN-1 PRIMARY | Victor Equipment Co (USA) |
NSN 3433-01-423-5723 is a Nozzle,welding, manufactured by Victor Equipment Co, classified under FSC 3433, Gas Welding, Heat Cutting, and Metalizing Equipment. Status: active.
NSN 3433-01-423-5723 has 1 manufacturer part number on file: UN-1 (Victor Equipment Co).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-443-8707. Verify interchangeability with system specifications before substitution.
Key specifications for UN-1: Welding Process for Which Designed: BRAZE; End Item Identification: 4940-01-333-8470; Material: COPPER ALLOY. 2 specifications are documented in the U.S. Government catalog.
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.