PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM B221Angle,structural

American Society for Testing and Materials Dba Astm International · NSN 9540-01-210-0911 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-210-0911 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-210-0911. Primary manufacturer part number: ASTM B221.
Features
  • Angle,structural — FSC 9540
  • Fabrication Method: EXTRUDED
  • Left Side Flange Thickness: 0.100 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 7075
  • Second Tip Relationship to First Tip: IDENTICAL
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
  • Base Flange Thickness: 0.100 INCHES NOMINAL IN
  • Basic Shape Style: ANGLE
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-01-210-0911, 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 American Society for Testing and Materials Dba Astm International. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-01-210-0911
Primary Part NumberASTM B221
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusACTIVE
Fabrication MethodEXTRUDED
Left Side Flange Thickness0.100 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 7075
Second Tip Relationship to First TipIDENTICAL
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Base Flange Thickness0.100 INCHES NOMINAL IN
Basic Shape StyleANGLE
Heat TreatmentT-73511 SOLUTION HEAT TREATED
Nondefinitive Spec/std Data7075 ALLOY AND T73511 TEMPER
Material Document and ClassificationAMS-Q-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE
First Tip StyleSQUARE END
Fillet Radius Where Left Flange Joins Base Flange0.094 INCHES NOMINAL IN
Left Inside Angle90.0 DEGREES NOMINAL
Weight Per Unit Measure0.350 POUNDS PER LINEAR FOOT LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-227-308067787 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Ntn Bearing Corporation of America
4710-00-386-447067787 INTERCHANGEABLE
Tube Assembly,cylin
Textron Lycoming Inc Williamsport Plant
9540-01-363-74301MA100D06-10338 INTERCHANGEABLE
Angle,structural
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
1MA100D05-10338 The Boeing Company Div Defense (USA)
60-19281 Transtar Metals Corp (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
67787 International Light Metals Corp Sub of Martin Marietta Corp (USA)
Related Parts
3110-00-227-3080INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
67787
4710-00-386-4470INTERCHANGEABLE
TUBE ASSEMBLY,CYLIN
67787
9540-01-363-7430INTERCHANGEABLE
ANGLE,STRUCTURAL
1MA100D06-10338

Frequently Asked Questions

What is NSN 9540-01-210-0911?

NSN 9540-01-210-0911 is a Angle,structural, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-01-210-0911?

NSN 9540-01-210-0911 has 7 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), 1MA100D05-10338 (The Boeing Company Div Defense), 60-19281 (Transtar Metals Corp), QQ-A-200/11 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/11 (Sae International Dba Sae International) and 2 more.

What NSN replaces 9540-01-210-0911?

There are 3 known substitutes for 9540-01-210-0911: 3110-00-227-3080, 4710-00-386-4470, 9540-01-363-7430. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM B221?

Key specifications for ASTM B221: Overall Width: 1.500 INCHES NOMINAL IN; Overall Height: 1.500 INCHES NOMINAL IN; Fabrication Method: EXTRUDED; Left Side Flange Thickness: 0.100 INCHES NOMINAL IN. 16 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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