PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

QQ-A-200/5Beam,structural

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 9540-00-542-2749 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-542-2749 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-542-2749. Primary manufacturer part number: QQ-A-200/5.
Features
  • Beam,structural — FSC 9540
  • Right Side Top Flange Tip Thickness: 0.190 INCHES NOMINAL IN
  • Fabrication Method: EXTRUDED
  • Basic Shape Style: I SHAPE
  • Top Flange Width: 2.797 INCHES NOMINAL IN
  • Length: 20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT
  • Heat Treatment: H-111 STRAIN HARDENED
  • Material: ALUMINUM ALLOY 5086
Applications
  • Applications requiring Aluminum Alloy 5086 construction
General Description

The Beam,structural, cataloged under National Stock Number 9540-00-542-2749, 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 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-542-2749
Primary Part NumberQQ-A-200/5
Item NameBeam,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Right Side Top Flange Tip Thickness0.190 INCHES NOMINAL IN
Fabrication MethodEXTRUDED
Basic Shape StyleI SHAPE
Top Flange Width2.797 INCHES NOMINAL IN
Length20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT
Heat TreatmentH-111 STRAIN HARDENED
MaterialALUMINUM ALLOY 5086
Right Side Top Flange Distance to Center of Both Flanges1.3985 INCHES NOMINAL IN
Web Flange Thickness0.326 INCHES NOMINAL IN
Weight Per Unit Measure3.348 POUNDS PER LINEAR FOOT LBS
Fillet Radius Where Top Right Flange Joins Web Flange/leg0.290 INCHES NOMINAL IN
Right Side Bottom Flange Distance to Center of Both Flanges1.3985 INCHES NOMINAL IN
Right Side Bottom Flange Tip Thickness0.190 INCHES NOMINAL IN
Right Top Inner Face to Outer Face Angle90.0 DEGREES NOMINAL
Left Side Bottom Flange Tip Thickness0.190 INCHES NOMINAL IN
Left Top Inner Face to Outer Face Angle90.0 DEGREES NOMINAL
Left Side Bottom Flange Distance to Center of Both Flanges1.3985 INCHES NOMINAL IN
Fourth Tip Relationship to Preceding TipsIDENTICAL W/THIRD TIP
Fillet Radius Where Bottom Left Flange Joins Web Flange/leg0.290 INCHES NOMINAL IN
Right Side Top Flange Thickness0.375 INCHES NOMINAL IN
Right Side Bottom Flange Thickness0.375 INCHES NOMINAL IN
Material Document and ClassificationAMS-QQ-A-200/5 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std DataH-111 TEMPER
Left Side Top Flange Distance to Center of Both Flanges1.3985 INCHES NOMINAL IN
Third Tip Relationship to Preceding TipsNOT IDENTICAL
Left Side Top Flange Tip Thickness0.190 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
Right Bottom Inner Face to Outer Face Angle90.0 DEGREES NOMINAL
First Tip Radius0.110 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
9540-00-250-3605 INTERCHANGEABLE
Beam,structural
6850-00-485-4697551F INTERCHANGEABLE
Cleaning Compound,optical Lens
The Wilkins Co Inc
Cross-Reference Index
Part NumberManufacturer
QQ-A-200/5 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
851F Aluminum Co of America (USA)
2654C Alcoa/reynolds Metals Company (USA)
AMS-QQ-A-200/5 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/5 Sae International Dba Sae International (USA)
Related Parts
9540-00-250-3605INTERCHANGEABLE
BEAM,STRUCTURAL
6850-00-485-4697INTERCHANGEABLE
CLEANING COMPOUND,OPTICAL LENS
551F

Frequently Asked Questions

What is NSN 9540-00-542-2749?

NSN 9540-00-542-2749 is a Beam,structural, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-542-2749?

NSN 9540-00-542-2749 has 5 cross-referenced part numbers: QQ-A-200/5 (Federal Specifications Promulgated by General Services Administration Washington DC), 851F (Aluminum Co of America), 2654C (Alcoa/reynolds Metals Company), AMS-QQ-A-200/5 (Society of Automotive Engineers Inc), AMS-QQ-A-200/5 (Sae International Dba Sae International).

What NSN replaces 9540-00-542-2749?

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

What are the specifications of QQ-A-200/5?

Key specifications for QQ-A-200/5: Right Side Top Flange Tip Thickness: 0.190 INCHES NOMINAL IN; Fabrication Method: EXTRUDED; Basic Shape Style: I SHAPE; Top Flange Width: 2.797 INCHES NOMINAL IN. 30 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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