The Electrode,welding, cataloged under National Stock Number 3439-00-262-2746, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Hobart Bros Co Mckay Welding Products Div. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 3439-00-262-2746 |
| Primary Part Number | MCKAY 8018-B2 0.125 |
| Item Name | Electrode,welding |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Hobart Bros Co Mckay Welding Products Div |
| Status | ACTIVE |
| Length | 14.000 INCHES NOMINAL IN |
| Current Type | DC |
| Flux Coating Type | SHIELDED ARC |
| Weld Position for Which Designed | ALL POSITIONS |
| Material Document and Classification | MIL-E-16589,TY MIL-52-15 MIL SPEC SINGLE MATERIAL RESPONSE FILLER |
| Shape | ROUND |
| Outside Diameter | 0.125 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 1 CLASS AND MIL-52-15 TYPE |
| Physical Form | STRAIGHT |
| Polarity Characteristic | REVERSE |
| Material | STEEL FILLER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MCKAY 8018-B2 0.125 | Hobart Bros Co Mckay Welding Products Div (USA) |
| Reference | Meaning |
|---|---|
| MIL-E-0022200/8 | 5/9 Secondary reference U.S. Government activity |
| AWS A5.5 | 3/1 Design control — primary reference American Welding Society, Inc. |
| MIL-8015-B2 0.125 | 5/9 Secondary reference U.S. Government activity |
| AWS5.5 E8018 B2 | 3/1 Design control — primary reference American Welding Society, Inc. |
NSN 3439-00-262-2746 is a Electrode,welding, manufactured by Hobart Bros Co Mckay Welding Products Div, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-00-262-2746 has 1 manufacturer part number on file: MCKAY 8018-B2 0.125 (Hobart Bros Co Mckay Welding Products Div).
5 possible matches (shared part number, not a government interchangeability claim): 3439-00-722-3258, 3439-00-984-4779, 3439-00-984-4780. Verify interchangeability with system specifications before substitution.
Key specifications for MCKAY 8018-B2 0.125: Length: 14.000 INCHES NOMINAL IN; Current Type: DC; Flux Coating Type: SHIELDED ARC; Weld Position for Which Designed: ALL POSITIONS. 11 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.