The Contact Tube, cataloged under National Stock Number 3431-01-181-1708, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Union Carbide Corp Sub of Dow Co the. Government technical data includes 1 specification, 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 | 3431-01-181-1708 |
| Primary Part Number | 996106 |
| Item Name | Contact Tube |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | Union Carbide Corp Sub of Dow Co the |
| Status | ACTIVE |
| General Characteristics Item Description | ACCOMMODATES 1/16 IN. DIA SOFT WIRE IN |
| 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 |
|---|---|
| 996106 PRIMARY | Union Carbide Corp Sub of Dow Co the (USA) |
NSN 3431-01-181-1708 is a Contact Tube, manufactured by Union Carbide Corp Sub of Dow Co the, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-01-181-1708 has 1 manufacturer part number on file: 996106 (Union Carbide Corp Sub of Dow Co the).
1 possible match (shared part number, not a government interchangeability claim): 7690-01-269-5283. Verify interchangeability with system specifications before substitution.
Key specifications for 996106: General Characteristics Item Description: ACCOMMODATES 1/16 IN. DIA SOFT WIRE IN; End Item Identification: UNION CARBIDE MODEL ST-16 AND ST-21 MIG TORCH. 1 specification is 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.