The Solder,paste, cataloged under National Stock Number 3439-01-389-8487, 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 Efd Inc Specialty Products Div. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-389-8487 |
| Primary Part Number | 7020298 |
| Item Name | Solder,paste |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Efd Inc Specialty Products Div |
| Status | ACTIVE |
| Material | LEAD AND TIN BASIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7020298 PRIMARY | Efd Inc Specialty Products Div (USA) |
| Reference | Meaning |
|---|---|
| 6-SN63-200-A | 5/9 Secondary reference Esp Inc |
| 63RMA-A-200+325 | 5/9 Secondary reference Efd Inc Specialty Products Div |
| 63RMA-A | 5/9 Secondary reference Esp Inc |
NSN 3439-01-389-8487 is a Solder,paste, manufactured by Efd Inc Specialty Products Div, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-389-8487 has 1 manufacturer part number on file: 7020298 (Efd Inc Specialty Products Div).
1 possible match (shared part number, not a government interchangeability claim): 3439-01-438-9019. Verify interchangeability with system specifications before substitution.
Key specifications for 7020298: Special Features: BOX CONTAINS 10 SYRINGES; SHELF LIFE IS 6 MONTHS IF UNOPENED AND TEMP. IS MAINTAINED BETWEEN 40 DEG. AND 70 DEG F.; DO NOT FREEZE; FOR POWDER SIZE -325+500 USE NSN 3439-01-433-5592 AND 3439-01-384-2071; FOR POWDER SIZE -200+325 USE NSN 3439-01-438-9019 DEGF; Material: LEAD AND TIN BASIC. 1 specification is 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.