The Ingot,aluminum Alloy, cataloged under National Stock Number 9650-01-274-3544, is classified within Federal Supply Class 9650 (Nonferrous Base Metal Refinery and Intermediate Forms) of the Ores, Minerals, and Primary Products group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9650-01-274-3544 |
| Item Name | Ingot,aluminum Alloy |
| FSC / FSG | 9650 / 96 — Nonferrous Base Metal Refinery and Intermediate Forms |
| Status | ACTIVE |
| Overall Thickness | 4.000 INCHES NOMINAL IN |
| Composition and Percentage | 91.99 MINIMUM BY WEIGHT ALUMINUM AND 6.50 MINIMUM BY WEIGHT SILICON AND 7.50 MAXIMUM BY WEIGHT SILICON AND 0.12 MAXIMUM BY WEIGHT IRON AND 0.10 MAXIMUM BY WEIGHT COPPER AND 0.050 MAXIMUM BY WEIGHT MANGANESE AND 0.45 MINIMUM BY WEIGHT MAGNESIUM AND 0.70 MAXIMUM BY WEIGHT MAGNESIUM AND 0.05 MAXIMUM BY WEIGHT ZINC AND 0.10 MINIMUM BY WEIGHT TITANIUM AND 0.20 MAXIMUM BY WEIGHT TITANIUM |
| Specification/standard Data | 81346-ASTM B179 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Departure From Cited Document | AS MODIFIED BY MATERIAL |
| Nondefinitive Spec/std Data | A357.2 ALLOY |
| Impurities Limitation in Percent | BERYLLIUM 0.02 MAX |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| QQ-A-371 | 5/9 Secondary reference U.S. Government activity |
| ASTM B179 | 3/1 Design control — primary reference U.S. Government activity |
NSN 9650-01-274-3544 is a Ingot,aluminum Alloy, classified under FSC 9650, Nonferrous Base Metal Refinery and Intermediate Forms. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 9650-01-298-7017, 9650-01-301-5245, 9650-01-408-1989. Verify interchangeability with system specifications before substitution.
Key specifications for 9650-01-274-3544: Overall Thickness: 4.000 INCHES NOMINAL IN; Overall Length: 24.000 INCHES NOMINAL IN; Overall Width: 4.000 INCHES NOMINAL IN; Weight: 20.000 POUNDS NOMINAL LBS. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.