The Soldering Iron,electric, cataloged under National Stock Number 3439-01-103-0243, 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 Assembly Technologies International Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-103-0243 |
| Primary Part Number | 3108-S3-20W |
| Item Name | Soldering Iron,electric |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Assembly Technologies International Inc. |
| Status | ACTIVE |
| Tip Quantity | 1 |
| Wattage Rating in Watts | 20.000 NOMINAL |
| Tip Size | 1/8 IN. DIA IN |
| Current Type | AC |
| Tip Shape | SCREWDRIVER |
| Operating Voltage in Volts | 120.000 NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3108-S3-20W PRIMARY | Assembly Technologies International Inc. (USA) |
| Reference | Meaning |
|---|---|
| SI-21A 20W | 5/9 Secondary reference Hexacon Electric Company |
| 21A20 | 5/9 Secondary reference Hexacon Electric Company |
NSN 3439-01-103-0243 is a Soldering Iron,electric, manufactured by Assembly Technologies International Inc., classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-103-0243 has 1 manufacturer part number on file: 3108-S3-20W (Assembly Technologies International Inc.).
Key specifications for 3108-S3-20W: Tip Quantity: 1; Wattage Rating in Watts: 20.000 NOMINAL; Tip Size: 1/8 IN. DIA IN; Current Type: AC. 6 specifications are 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.