The Tip,contact,welding, cataloged under National Stock Number 3431-01-283-0409, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is M K Products Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3431-01-283-0409 |
| Primary Part Number | 621-0023 |
| Item Name | Tip,contact,welding |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | M K Products Inc |
| Status | ACTIVE |
| General Characteristics Item Description | INSIDE DIA 0.075 IN.,OUTSIDE DIA 0.375 IN.,LENGTH 1.625 IN. 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 |
|---|---|
| 621-0023 PRIMARY | M K Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 621-0023 | 5/2 Secondary reference U.S. Government activity |
NSN 3431-01-283-0409 is a Tip,contact,welding, manufactured by M K Products Inc, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-01-283-0409 has 1 manufacturer part number on file: 621-0023 (M K Products Inc).
Key specifications for 621-0023: General Characteristics Item Description: INSIDE DIA 0.075 IN.,OUTSIDE DIA 0.375 IN.,LENGTH 1.625 IN. IN; End Item Identification: WELDING GUN,M K PRODUCTS,MODEL KING COBRA MIG. 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.