PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM B221Angle,structural

American Society for Testing and Materials Dba Astm International · NSN 9540-00-471-0496 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-471-0496 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-471-0496. Primary manufacturer part number: ASTM B221.
Features
  • Angle,structural — FSC 9540
  • Length: 5.000 FEET NOMINAL FT
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • Second Tip Relationship to First Tip: NOT IDENTICAL
  • Material: ALUMINUM ALLOY 6063
  • First Tip Radius: 0.125 INCHES NOMINAL IN
  • Fillet Radius Where Left Flange Joins Base Flange: 0.094 INCHES NOMINAL IN
  • Material Document and Classification: AMS-QQ-A-200/9 FED SPEC SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Aluminum Alloy 6063 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-471-0496, 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 17 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-471-0496
Primary Part NumberASTM B221
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusACTIVE
Length5.000 FEET NOMINAL FT
Left Inside Angle90.0 DEGREES NOMINAL
Second Tip Relationship to First TipNOT IDENTICAL
MaterialALUMINUM ALLOY 6063
First Tip Radius0.125 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Base Flange0.094 INCHES NOMINAL IN
Material Document and ClassificationAMS-QQ-A-200/9 FED SPEC SINGLE MATERIAL RESPONSE
Weight Per Unit Measure0.200 POUNDS PER LINEAR FOOT LBS
Second Tip Radius0.125 INCHES NOMINAL IN
First Tip StyleRIGHT QUARTER RADIUS
Second Tip StyleUPPER RADIUS
Left Side Flange Thickness0.125 INCHES NOMINAL IN
Base Flange Thickness0.125 INCHES NOMINAL IN
Nondefinitive Spec/std Data6063 ALLOY AND T5 TEMPER
Fabrication MethodEXTRUDED
Heat TreatmentT-5 SOLUTION HEAT TREATED
Basic Shape StyleANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
9540-00-197-9848 INTERCHANGEABLE
Angle,structural
9540-00-542-2692 INTERCHANGEABLE
Angle,structural
9540-00-596-2999 INTERCHANGEABLE
Angle,structural
9540-00-837-9612 INTERCHANGEABLE
Angle,structural
9540-01-071-3505 INTERCHANGEABLE
Angle,structural
9540-01-127-8707 INTERCHANGEABLE
Angle,structural
Cross-Reference Index
Part NumberManufacturer
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
AND10133-0603 Airforce-Navy Aeronautical Design Standard
QQA200-9 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/9 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/9 Sae International Dba Sae International (USA)
Related Parts
9540-00-197-9848INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-542-2692INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-596-2999INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-837-9612INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-01-071-3505INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-01-127-8707INTERCHANGEABLE
ANGLE,STRUCTURAL

Frequently Asked Questions

What is NSN 9540-00-471-0496?

NSN 9540-00-471-0496 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 9540-00-471-0496?

NSN 9540-00-471-0496 has 5 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), AND10133-0603 (Airforce-Navy Aeronautical Design Standard), QQA200-9 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/9 (Society of Automotive Engineers Inc), AMS-QQ-A-200/9 (Sae International Dba Sae International).

What NSN replaces 9540-00-471-0496?

There are 6 known substitutes for 9540-00-471-0496: 9540-00-197-9848, 9540-00-542-2692, 9540-00-596-2999 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM B221?

Key specifications for ASTM B221: Length: 5.000 FEET NOMINAL FT; Overall Height: 0.750 INCHES NOMINAL IN; Left Inside Angle: 90.0 DEGREES NOMINAL; Second Tip Relationship to First Tip: NOT IDENTICAL. 19 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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