The Insert,welding, cataloged under National Stock Number 3439-01-063-7231, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-063-7231 |
| Item Name | Insert,welding |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| Criticality Code Justification | ZZZX |
| Departure From Cited Designator | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTIONS FOR LEVEL 1 ITEMS |
| Nondefinitive Spec/std Data | 1 CLASS AND A STYLE AND MIL-316L TYPE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| MIL-I-23413 | 4/1 Identification reference U.S. Government activity |
| MIL-I-23413 L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 3439-01-063-7231 is a Insert,welding, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 3439-01-063-7232, 3439-01-063-7233, 3439-01-063-7234. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-063-7231: Criticality Code Justification: ZZZX; Departure From Cited Designator: QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTIONS FOR LEVEL 1 ITEMS; Nondefinitive Spec/std Data: 1 CLASS AND A STYLE AND MIL-316L TYPE. 3 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.