The Bent Contact Tube, cataloged under National Stock Number 3431-01-027-8973, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3431-01-027-8973 |
| Item Name | Bent Contact Tube |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | ACCOMMODATES 3/64 IN. DIA ALUMINUM 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 |
| Reference | Meaning |
|---|---|
| 2354-0068 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3431-01-027-8973 is a Bent Contact Tube, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4710-01-358-4991. Verify interchangeability with system specifications before substitution.
Key specifications for 3431-01-027-8973: General Characteristics Item Description: ACCOMMODATES 3/64 IN. DIA ALUMINUM WIRE IN; End Item Identification: AIRCO MODEL AH20-E MIGET WELDING GUN. 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.