PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM B221Angle,structural

American Society for Testing and Materials Dba Astm International · NSN 9540-01-075-1068 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-075-1068 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-075-1068. Primary manufacturer part number: ASTM B221.
Features
  • Angle,structural — FSC 9540
  • Basic Shape Style: ANGLE
  • First Tip Style: SQUARE END
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
  • Material: ALUMINUM ALLOY 2024
  • Base Flange Thickness: 0.125 INCHES NOMINAL IN
  • Weight Per Unit Measure: 0.960 POUNDS PER LINEAR FOOT LBS
  • Second Tip Relationship to First Tip: IDENTICAL
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-01-075-1068, 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 10 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-01-075-1068
Primary Part NumberASTM B221
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusACTIVE
Basic Shape StyleANGLE
First Tip StyleSQUARE END
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
MaterialALUMINUM ALLOY 2024
Base Flange Thickness0.125 INCHES NOMINAL IN
Weight Per Unit Measure0.960 POUNDS PER LINEAR FOOT LBS
Second Tip Relationship to First TipIDENTICAL
Heat TreatmentT-8511 SOLUTION HEAT TREATED
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std Data2024 ALLOY AND T8511 TEMPER
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Left Inside Angle90.0 DEGREES NOMINAL
Left Side Flange Thickness0.125 INCHES NOMINAL IN
Fabrication MethodEXTRUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-034-142318495201 INTERCHANGEABLE
Valve,regulating,temperature
Control Data Systems Inc Contracts Dept
6625-00-079-142611002A INTERCHANGEABLE
Lead Set,test
Keysight Technologies Inc
6515-00-089-5781 INTERCHANGEABLE
Compressor and Pump
9540-00-145-5803 INTERCHANGEABLE
Angle,structural
3455-00-167-209878937 INTERCHANGEABLE
Cutter,milling,end
Carbide Tools for Industry, Inc.
5985-00-168-4329 INTERCHANGEABLE
Coupler,rotary,radio Frequency
9540-00-528-9327 INTERCHANGEABLE
Angle,structural
9540-00-555-5970 INTERCHANGEABLE
Angle,structural
9540-00-720-1357 INTERCHANGEABLE
Angle,structural
4720-01-037-432311446 INTERCHANGEABLE
Tubing,nonmetallic
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
Cross-Reference Index
Part NumberManufacturer
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
60-208 Transtar Metals Corp (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
60421 International Light Metals Corp Sub of Martin Marietta Corp (USA)
11002-A Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions (USA)
MS14284E305 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
K10A132T8511 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
2024-T8511,0.125X2.500X4.000 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
Related Parts
4820-00-034-1423INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
18495201
6625-00-079-1426INTERCHANGEABLE
LEAD SET,TEST
11002A
6515-00-089-5781INTERCHANGEABLE
COMPRESSOR AND PUMP
9540-00-145-5803INTERCHANGEABLE
ANGLE,STRUCTURAL
3455-00-167-2098INTERCHANGEABLE
CUTTER,MILLING,END
78937
5985-00-168-4329INTERCHANGEABLE
COUPLER,ROTARY,RADIO FREQUENCY
9540-00-528-9327INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-555-5970INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-720-1357INTERCHANGEABLE
ANGLE,STRUCTURAL
4720-01-037-4323INTERCHANGEABLE
TUBING,NONMETALLIC
11446
9540-01-072-0170INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-01-073-5145INTERCHANGEABLE
ANGLE,STRUCTURAL

Frequently Asked Questions

What is NSN 9540-01-075-1068?

NSN 9540-01-075-1068 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 9540-01-075-1068?

NSN 9540-01-075-1068 has 10 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc), AMS-QQ-A-200/3 (Sae International Dba Sae International), 60-208 (Transtar Metals Corp), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC) and 5 more.

What NSN replaces 9540-01-075-1068?

There are 12 known substitutes for 9540-01-075-1068: 4820-00-034-1423, 6625-00-079-1426, 6515-00-089-5781 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM B221?

Key specifications for ASTM B221: Basic Shape Style: ANGLE; First Tip Style: SQUARE END; Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Special Features: NOT A SUBSTITIUE FOR NSN 9540-00-528-9327. 17 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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