The Solder,lead-Tin Alloy, cataloged under National Stock Number 3439-01-596-2074, 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 Kester Solder Co Div of Litton Industries. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Solder,lead-Tin Alloy |
| FSC / FSG | 3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories (FSG 34) |
| Manufacturers | Kester Solder Co Div of Litton Industries (CAGE 0J940) |
| Parameter | Value |
|---|---|
| NSN | 3439-01-596-2074 |
| Primary Part Number | 66/44 |
| Item Name | Solder,lead-Tin Alloy |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Kester Solder Co Div of Litton Industries |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 66/44 PRIMARY | Kester Solder Co Div of Litton Industries (USA) |
NSN 3439-01-596-2074 is a Solder,lead-Tin Alloy, manufactured by Kester Solder Co Div of Litton Industries, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-596-2074 has 1 manufacturer part number on file: 66/44 (Kester Solder Co Div of Litton Industries).
1 possible match (shared part number, not a government interchangeability claim): 4240-01-706-6219. Verify interchangeability with system specifications before substitution.
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.