PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

QQ-A-200/16Beam,structural

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 9540-00-250-3605 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-250-3605 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-250-3605. Primary manufacturer part number: QQ-A-200/16.
Features
  • Beam,structural — FSC 9540
  • Left Side Top Flange Distance to Center of Both Flanges: 1.398 INCHES NOMINAL IN
  • Right Side Top Flange Tip Thickness: 0.190 INCHES NOMINAL IN
  • Left Bottom Inner Face to Outer Face Angle: 90.0 DEGREES NOMINAL
  • Left Top Inner Face to Outer Face Angle: 90.0 DEGREES NOMINAL
  • Heat Treatment: T-6 SOLUTION HEAT TREATED
  • Basic Shape Style: I SHAPE
  • Right Side Bottom Flange Distance to Center of Both Flanges: 1.398 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 6061 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-00-250-3605, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN9540-00-250-3605
Primary Part NumberQQ-A-200/16
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Left Side Top Flange Distance to Center of Both Flanges1.398 INCHES NOMINAL IN
Right Side Top Flange Tip Thickness0.190 INCHES NOMINAL IN
Left Bottom Inner Face to Outer Face Angle90.0 DEGREES NOMINAL
Left Top Inner Face to Outer Face Angle90.0 DEGREES NOMINAL
Heat TreatmentT-6 SOLUTION HEAT TREATED
Basic Shape StyleI SHAPE
Right Side Bottom Flange Distance to Center of Both Flanges1.398 INCHES NOMINAL IN
Web Flange Thickness0.326 INCHES NOMINAL IN
Fillet Radius Where Top Right Flange Joins Web Flange/leg0.290 INCHES NOMINAL IN
Third Tip Radius0.110 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 6061
Left Side Bottom Flange Distance to Center of Both Flanges1.398 INCHES NOMINAL IN
Weight Per Unit Measure3.280 POUNDS PER LINEAR FOOT LBS
Top Flange Width2.796 INCHES NOMINAL IN
Right Bottom Inner Face to Outer Face Angle90.0 DEGREES NOMINAL
Fabrication MethodEXTRUDED
Fillet Radius Where Bottom Left Flange Joins Web Flange/leg0.290 INCHES NOMINAL IN
Left Side Top Flange Tip Thickness0.190 INCHES NOMINAL IN
Right Side Bottom Flange Thickness0.375 INCHES NOMINAL IN
Nondefinitive Spec/std DataT6 TEMPER
Left Side Bottom Flange Thickness0.375 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
Material Document and ClassificationAMS-QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE
Fourth Tip Relationship to Preceding TipsIDENTICAL W/THIRD TIP
Bottom Flange Width2.796 INCHES NOMINAL IN
Left Side Top Flange Thickness0.375 INCHES NOMINAL IN
Left Side Bottom Flange Tip Thickness0.190 INCHES NOMINAL IN
Right Side Top Flange Thickness0.375 INCHES NOMINAL IN
Right Side Bottom Flange Tip Thickness0.190 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6850-00-485-4697551F INTERCHANGEABLE
Cleaning Compound,optical Lens
The Wilkins Co Inc
9540-00-542-2749 INTERCHANGEABLE
Beam,structural
Cross-Reference Index
Part NumberManufacturer
QQ-A-200/16 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
SAE-AMS-QQ-A-200/8 Sae International Dba Sae International (USA)
851F Aluminum Co of America (USA)
AMS-QQ-A-200/8 Sae International Dba Sae International (USA)
AMS-QQ-A-200/8 Society of Automotive Engineers Inc (USA)
Related Parts
6850-00-485-4697INTERCHANGEABLE
CLEANING COMPOUND,OPTICAL LENS
551F
9540-00-542-2749INTERCHANGEABLE
BEAM,STRUCTURAL

Frequently Asked Questions

What is NSN 9540-00-250-3605?

NSN 9540-00-250-3605 is a Beam,structural, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 9540 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 9540-00-250-3605?

NSN 9540-00-250-3605 has 5 cross-referenced part numbers: QQ-A-200/16 (Federal Specifications Promulgated by General Services Administration Washington DC), SAE-AMS-QQ-A-200/8 (Sae International Dba Sae International), 851F (Aluminum Co of America), AMS-QQ-A-200/8 (Sae International Dba Sae International), AMS-QQ-A-200/8 (Society of Automotive Engineers Inc).

What NSN replaces 9540-00-250-3605?

There are 2 known substitutes for 9540-00-250-3605: 6850-00-485-4697, 9540-00-542-2749. Verify interchangeability with system specifications before substitution.

What are the specifications of QQ-A-200/16?

Key specifications for QQ-A-200/16: Left Side Top Flange Distance to Center of Both Flanges: 1.398 INCHES NOMINAL IN; Right Side Top Flange Tip Thickness: 0.190 INCHES NOMINAL IN; Left Bottom Inner Face to Outer Face Angle: 90.0 DEGREES NOMINAL; Left Top Inner Face to Outer Face Angle: 90.0 DEGREES NOMINAL. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 9540-00-250-3605 still in active supply?

NSN 9540-00-250-3605 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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