PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AMS-QQ-A-200/3Beam,structural

Society of Automotive Engineers Inc · NSN 9540-01-300-1581 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-300-1581 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-300-1581. Primary manufacturer part number: AMS-QQ-A-200/3.
Features
  • Beam,structural — FSC 9540
  • Left Side Top Flange Thickness: 0.078 INCHES NOMINAL IN
  • Right Top Inside Angle: 90.0 DEGREES NOMINAL
  • Fabrication Method: EXTRUDED
  • Fillet Radius Where Top Right Flange Joins Web Flange/leg: 0.125 INCHES NOMINAL IN
  • Heat Treatment: T-81 SOLUTION HEAT TREATED
  • Left Side Top Flange Distance to Center of Both Flanges: 1.000 INCHES NOMINAL IN
  • Material Document and Classification: QQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-01-300-1581, is classified within Federal Supply Class 9540 (No Item Name Available) of the Metal Bars, Sheets, and Shapes group. The primary manufacturer of record is Society of Automotive Engineers Inc. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-01-300-1581
Primary Part NumberAMS-QQ-A-200/3
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusACTIVE
Left Side Top Flange Thickness0.078 INCHES NOMINAL IN
Right Top Inside Angle90.0 DEGREES NOMINAL
Fabrication MethodEXTRUDED
Fillet Radius Where Top Right Flange Joins Web Flange/leg0.125 INCHES NOMINAL IN
Heat TreatmentT-81 SOLUTION HEAT TREATED
Left Side Top Flange Distance to Center of Both Flanges1.000 INCHES NOMINAL IN
Material Document and ClassificationQQ-A-200/3 FED SPEC 1ST MATERIAL RESPONSE
Nondefinitive Spec/std DataT81 TEMPER
MaterialALUMINUM ALLOY 2024
Left Top Inside Angle90.0 DEGREES NOMINAL
Third Tip StyleFULL RADIUS
Third Tip Relationship to Preceding TipsNOT IDENTICAL
Right Side Top Flange Thickness0.078 INCHES NOMINAL IN
Fillet Radius Where Top Left Flange Joins Web Flange/leg0.125 INCHES NOMINAL IN
Leg Thickness0.078 INCHES NOMINAL IN
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Right Side Top Flange Distance to Center of Both Flanges1.000 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
Basic Shape StyleT SHAPE
First Tip Radius0.078 INCHES NOMINAL IN
First Tip StyleLOWER RADIUS
Third Tip Radius0.039 INCHES NOMINAL IN
Top Flange Width2.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
9540-00-169-9235 INTERCHANGEABLE
Beam,structural
9540-00-487-5669 INTERCHANGEABLE
Beam,structural
9540-00-528-7282 INTERCHANGEABLE
Beam,structural
9540-01-037-4339 INTERCHANGEABLE
Beam,structural
Cross-Reference Index
Part NumberManufacturer
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
AND10136-2004 Airforce-Navy Aeronautical Design Standard
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
9540-00-169-9235INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-487-5669INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-528-7282INTERCHANGEABLE
BEAM,STRUCTURAL
9540-01-037-4339INTERCHANGEABLE
BEAM,STRUCTURAL

Frequently Asked Questions

What is NSN 9540-01-300-1581?

NSN 9540-01-300-1581 is a Beam,structural, manufactured by Society of Automotive Engineers Inc, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-01-300-1581?

NSN 9540-01-300-1581 has 4 cross-referenced part numbers: AMS-QQ-A-200/3 (Society of Automotive Engineers Inc), AMS-QQ-A-200/3 (Sae International Dba Sae International), AND10136-2004 (Airforce-Navy Aeronautical Design Standard), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 9540-01-300-1581?

There are 4 known substitutes for 9540-01-300-1581: 9540-00-169-9235, 9540-00-487-5669, 9540-00-528-7282 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AMS-QQ-A-200/3?

Key specifications for AMS-QQ-A-200/3: Left Side Top Flange Thickness: 0.078 INCHES NOMINAL IN; Right Top Inside Angle: 90.0 DEGREES NOMINAL; Fabrication Method: EXTRUDED; Fillet Radius Where Top Right Flange Joins Web Flange/leg: 0.125 INCHES NOMINAL IN. 24 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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