The Solder,paste, cataloged under National Stock Number 3439-01-415-2258, 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 Aufhauser Corp. Government technical data includes 2 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-415-2258 |
| Primary Part Number | SN63PB37 |
| Item Name | Solder,paste |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Aufhauser Corp |
| Status | ACTIVE |
| Specification/standard Data | 81348-QQ-S-571F GOVERNMENT SPECIFICATION |
| Material | LEAD ALLOY BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SN63PB37 PRIMARY | Aufhauser Corp (USA) |
| Reference | Meaning |
|---|---|
| 628136-01 | 5/9 Secondary reference Bae Systems Controls Inc |
| SN63-P3-WS300-9 | 5/9 Secondary reference R & D Metals & Chemicals, Inc Div R & D Metals and Chemicals Inc |
| RDXP799-0130901MF-Q | 5/9 Secondary reference R & D Metals & Chemicals, Inc Div R & D Metals and Chemicals Inc |
| SN63PB37 | 5/9 Secondary reference U.S. Government activity |
| SN63-P3-WS300-9 | 3/9 Design control — primary reference Aim Products Inc Div of American Iron and Metal Inc |
| SN63-P3-WS300-9 | 5/9 Secondary reference Scm Metal Products Llc |
NSN 3439-01-415-2258 is a Solder,paste, manufactured by Aufhauser Corp, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-415-2258 has 1 manufacturer part number on file: SN63PB37 (Aufhauser Corp).
Key specifications for SN63PB37: Specification/standard Data: 81348-QQ-S-571F GOVERNMENT SPECIFICATION; Special Features: MATERIAL COMPOSITION OF SOLDER PASTE IS; 63TIN AND 37 2.431623E-308A81348-QQS571F; Material: LEAD ALLOY BASIC. 2 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.