PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

QQ-A-371Ingot,aluminum Alloy

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 9650-01-274-3544 · FSC 9650 · No Item Name Available
Verified by PartsTable
NSN 9650-01-274-3544 — this item is cataloged by the U.S. Government under National Stock Number 9650-01-274-3544. Primary manufacturer part number: QQ-A-371.
Features
  • Ingot,aluminum Alloy — FSC 9650
  • Departure From Cited Document: AS MODIFIED BY MATERIAL
  • Nondefinitive Spec/std Data: A357.2 ALLOY
  • Overall Thickness: 4.000 INCHES NOMINAL IN
  • Impurities Limitation in Percent: BERYLLIUM 0.02 MAX
  • Specification/standard Data: 81346-ASTM B179 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • 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
  • 2 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ingot,aluminum Alloy, cataloged under National Stock Number 9650-01-274-3544, is classified within Federal Supply Class 9650 (No Item Name Available) of the Ores, Minerals, and Primary Products group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9650-01-274-3544
Primary Part NumberQQ-A-371
Item NameIngot,aluminum Alloy
FSC / FSG9650 / 96 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Departure From Cited DocumentAS MODIFIED BY MATERIAL
Nondefinitive Spec/std DataA357.2 ALLOY
Overall Thickness4.000 INCHES NOMINAL IN
Impurities Limitation in PercentBERYLLIUM 0.02 MAX
Specification/standard Data81346-ASTM B179 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Composition and Percentage91.99 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
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
9650-00-240-6850 INTERCHANGEABLE
Ingot,aluminum Alloy
9650-00-294-5071 INTERCHANGEABLE
Ingot,aluminum Alloy
9650-00-294-5072 INTERCHANGEABLE
Ingot,aluminum Alloy
9650-01-298-7017 INTERCHANGEABLE
Ingot,aluminum Alloy
9650-01-301-5245 INTERCHANGEABLE
Ingot,aluminum Alloy
9650-01-408-1989 INTERCHANGEABLE
Ingot,aluminum
Cross-Reference Index
Part NumberManufacturer
QQ-A-371 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
ASTM B179 American Society for Testing and Materials Dba Astm International (USA)
Related Parts
9650-00-240-6850INTERCHANGEABLE
INGOT,ALUMINUM ALLOY
9650-00-294-5071INTERCHANGEABLE
INGOT,ALUMINUM ALLOY
9650-00-294-5072INTERCHANGEABLE
INGOT,ALUMINUM ALLOY
9650-01-298-7017INTERCHANGEABLE
INGOT,ALUMINUM ALLOY
9650-01-301-5245INTERCHANGEABLE
INGOT,ALUMINUM ALLOY
9650-01-408-1989INTERCHANGEABLE
INGOT,ALUMINUM

Frequently Asked Questions

What is NSN 9650-01-274-3544?

NSN 9650-01-274-3544 is a Ingot,aluminum Alloy, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 9650 (No Item Name Available). Status: active.

What are the part numbers for NSN 9650-01-274-3544?

NSN 9650-01-274-3544 has 2 cross-referenced part numbers: QQ-A-371 (Federal Specifications Promulgated by General Services Administration Washington DC), ASTM B179 (American Society for Testing and Materials Dba Astm International).

What NSN replaces 9650-01-274-3544?

There are 6 known substitutes for 9650-01-274-3544: 9650-00-240-6850, 9650-00-294-5071, 9650-00-294-5072 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of QQ-A-371?

Key specifications for QQ-A-371: Departure From Cited Document: AS MODIFIED BY MATERIAL; Nondefinitive Spec/std Data: A357.2 ALLOY; Overall Thickness: 4.000 INCHES NOMINAL IN; Overall Width: 4.000 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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