The Heating Unit,electric Soldering, cataloged under National Stock Number 3439-00-034-7851, 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 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3439-00-034-7851 |
| Item Name | Heating Unit,electric Soldering |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| General Characteristics Item Description | 23 W,120V,600 TO 650 DEG F TIP TEMP,THREAD ON HEATING UNIT,USED WITH 1/4 IN. DIA THD TIPS V |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 537S | 3/9 Design control — primary reference Cooper Industries Inc Coopertools |
| 8020487 | 5/1 Secondary reference Us Army Aviation and Missile Command |
| 537S | 5/9 Secondary reference Apex Tool Group, Llc |
NSN 3439-00-034-7851 is a Heating Unit,electric Soldering, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2590-01-348-0638. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-00-034-7851: General Characteristics Item Description: 23 W,120V,600 TO 650 DEG F TIP TEMP,THREAD ON HEATING UNIT,USED WITH 1/4 IN. DIA THD TIPS V. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.