The Solder,lead-Tin Alloy, cataloged under National Stock Number 3439-01-551-4875, 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. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-551-4875 |
| Primary Part Number | KESTER245-NO CLEAN FLUX-0.5MM |
| 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 |
| Wire Core Type | SOLID |
| Diameter | 0.020 INCHES NOMINAL IN |
| Physical Form | WIRE |
| 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 |
|---|---|
| KESTER245-NO CLEAN FLUX-0.5MM PRIMARY | Kester Solder Co Div of Litton Industries (USA) |
| 24-63337-8807 | Kester Solder Co Div of Litton Industries (USA) |
NSN 3439-01-551-4875 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 3439-01-551-4875 has 2 manufacturer part numbers on file: KESTER245-NO CLEAN FLUX-0.5MM (Kester Solder Co Div of Litton Industries), 24-63337-8807 (Kester Solder Co Div of Litton Industries).
Key specifications for KESTER245-NO CLEAN FLUX-0.5MM: Wire Core Type: SOLID; Diameter: 0.020 INCHES NOMINAL IN; Physical Form: WIRE; Special Features: LOW RESIDUE LIQUID FLUX; NO CLEAN; TIN/LEAD SOLDER WIRE; 600 TO 700 DEG F DEGF. 3 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.