PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM B221Angle,structural

American Society for Testing and Materials Dba Astm International · NSN 9540-01-193-2604 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-193-2604 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-193-2604. Primary manufacturer part number: ASTM B221.
Features
  • Angle,structural — FSC 9540
  • Heat Treatment: T-76511 SOLUTION HEAT TREATED
  • Second Tip Style: UPPER RADIUS
  • Fabrication Method: EXTRUDED
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
  • First Tip Style: RIGHT QUARTER RADIUS
  • Left Side Flange Thickness: 0.188 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 7075
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-01-193-2604, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-01-193-2604
Primary Part NumberASTM B221
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusACTIVE
Heat TreatmentT-76511 SOLUTION HEAT TREATED
Second Tip StyleUPPER RADIUS
Fabrication MethodEXTRUDED
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
First Tip StyleRIGHT QUARTER RADIUS
Left Side Flange Thickness0.188 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 7075
Basic Shape StyleANGLE
Weight Per Unit Measure0.737 POUNDS PER LINEAR FOOT LBS
Fillet Radius Where Left Flange Joins Base Flange0.188 INCHES NOMINAL IN
Second Tip Relationship to First TipNOT IDENTICAL
Nondefinitive Spec/std Data7075 ALLOY AND T76511 TEMPER
Material Document and ClassificationASTM B221 ASSN STD SINGLE MATERIAL RESPONSE
Second Tip Radius0.188 INCHES NOMINAL IN
Base Flange Thickness0.188 INCHES NOMINAL IN
First Tip Radius0.188 INCHES NOMINAL IN
Left Inside Angle90.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
9540-00-197-9846 INTERCHANGEABLE
Angle,structural
9540-00-234-0598 INTERCHANGEABLE
Angle,structural
9540-00-542-2705 INTERCHANGEABLE
Angle,structural
9540-00-720-1762 INTERCHANGEABLE
Angle,structural
9540-01-043-4545 INTERCHANGEABLE
Angle,structural
Cross-Reference Index
Part NumberManufacturer
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
QQ-A-200/15 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
10134-2008 Transtar Metals Corp (USA)
AND10134-2008 Airforce-Navy Aeronautical Design Standard
1MA100D06-10123 The Boeing Company Div Defense (USA)
Related Parts
9540-00-197-9846INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-234-0598INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-542-2705INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-720-1762INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-01-043-4545INTERCHANGEABLE
ANGLE,STRUCTURAL

Frequently Asked Questions

What is NSN 9540-01-193-2604?

NSN 9540-01-193-2604 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 9540-01-193-2604?

NSN 9540-01-193-2604 has 5 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), QQ-A-200/15 (Federal Specifications Promulgated by General Services Administration Washington DC), 10134-2008 (Transtar Metals Corp), AND10134-2008 (Airforce-Navy Aeronautical Design Standard), 1MA100D06-10123 (The Boeing Company Div Defense).

What NSN replaces 9540-01-193-2604?

There are 5 known substitutes for 9540-01-193-2604: 9540-00-197-9846, 9540-00-234-0598, 9540-00-542-2705 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM B221?

Key specifications for ASTM B221: Heat Treatment: T-76511 SOLUTION HEAT TREATED; Second Tip Style: UPPER RADIUS; Fabrication Method: EXTRUDED; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT. 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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