The Soldering Iron,electric, cataloged under National Stock Number 3439-01-020-0566, 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 Hexacon Electric Company. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3439-01-020-0566 |
| Primary Part Number | SI-22A 35W |
| Item Name | Soldering Iron,electric |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Hexacon Electric Company |
| Status | ACTIVE |
| Tip Quantity | 1 |
| Wattage Rating in Watts | 15.000 MINIMUM AND 60.000 MAXIMUM |
| Tip Size | 3/16 IN. W BY 1/32 IN. THK IN |
| Current Type | AC |
| Mounting Method | PRESS FIT TIP |
| Tip Shape | CHISEL |
| Operating Voltage in Volts | 115.000 MINIMUM AND 120.000 MAXIMUM |
| 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 |
|---|---|
| SI-22A 35W PRIMARY | Hexacon Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 22A35 | 5/9 Secondary reference Hexacon Electric Company |
| 990C168 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation Dba Electronic Systems |
NSN 3439-01-020-0566 is a Soldering Iron,electric, manufactured by Hexacon Electric Company, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-020-0566 has 1 manufacturer part number on file: SI-22A 35W (Hexacon Electric Company).
Key specifications for SI-22A 35W: Tip Quantity: 1; Wattage Rating in Watts: 15.000 MINIMUM AND 60.000 MAXIMUM; Tip Size: 3/16 IN. W BY 1/32 IN. THK IN; Current Type: AC. 7 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.