The Copper Alloying Additive, cataloged under National Stock Number 9630-01-408-2001, is classified within Federal Supply Class 9630 (Additive Metal Materials) of the Ores, Minerals, and Primary Products group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9630-01-408-2001 |
| Primary Part Number | ASTM B644 ALLOY 1A |
| Item Name | Copper Alloying Additive |
| FSC / FSG | 9630 / 96 — Additive Metal Materials |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Composition and Percentage | 48.75 MINIMUM BY VOLUME NICKEL |
| Impurities Limitation in Percent | SILICON 0.050 MAX AND IRON 1.20 MAX AND TIN 0.10 MAX AND CARBON O.050 MAX AND LEAD 0.050 MAX AND ZINC 0.100 MAX AND MANGANESE 0.700 MAX |
| 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 |
|---|---|
| ASTM B644 ALLOY 1A PRIMARY | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| ASTM B644 | 3/1 Design control — primary reference U.S. Government activity |
NSN 9630-01-408-2001 is a Copper Alloying Additive, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 9630, Additive Metal Materials. Status: active.
NSN 9630-01-408-2001 has 1 manufacturer part number on file: ASTM B644 ALLOY 1A (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
Key specifications for ASTM B644 ALLOY 1A: Composition and Percentage: 48.75 MINIMUM BY VOLUME NICKEL; Special Features: 500 LB DRUM, 1/2 INCH AND SMALLER LUMP OR SHOT LBS; Impurities Limitation in Percent: SILICON 0.050 MAX AND IRON 1.20 MAX AND TIN 0.10 MAX AND CARBON O.050 MAX AND LEAD 0.050 MAX AND ZINC 0.100 MAX AND MANGANESE 0.700 MAX. 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.