The Brazing Alloy,silver, cataloged under National Stock Number 3439-01-620-9622, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-620-9622 |
| Primary Part Number | 0.0625 WID 0.035 THK 20IN LGTHL1 |
| Item Name | Brazing Alloy,silver |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZX |
| Departure From Cited Designator | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 0.0625 WID 0.035 THK 20IN LGTHL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| QQ-B-654 GRIII BCUP-5L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| D 0.619/W 0.063/T 0.35 STRIPL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| D 0.619/W 0.063/T 0.35 STRIP | 5/1 Secondary reference U.S. Government activity |
| 0.0625 WID 0.035 THK 20IN LGTH | 5/1 Secondary reference U.S. Government activity |
| QQ-B-654 GRIII BCUP-5 | 4/1 Identification reference U.S. Government activity |
NSN 3439-01-620-9622 is a Brazing Alloy,silver, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-620-9622 has 3 manufacturer part numbers on file: 0.0625 WID 0.035 THK 20IN LGTHL1 (Naval Inventory Control Point Mechanicsburg), QQ-B-654 GRIII BCUP-5L1 (Naval Inventory Control Point Mechanicsburg), D 0.619/W 0.063/T 0.35 STRIPL1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 0.0625 WID 0.035 THK 20IN LGTHL1: Criticality Code Justification: ZZZX; Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 2 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.