PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM B221Angle,structural

American Society for Testing and Materials Dba Astm International · NSN 9540-01-073-5150 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-073-5150 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-073-5150. Primary manufacturer part number: ASTM B221.
Features
  • Angle,structural — FSC 9540
  • Weight Per Unit Measure: 0.204 POUNDS PER LINEAR FOOT LBS
  • Left Side Flange Thickness: 0.063 INCHES NOMINAL IN
  • Fillet Radius Where Left Flange Joins Base Flange: 0.080 INCHES NOMINAL IN
  • Second Tip Relationship to First Tip: IDENTICAL
  • Material: ALUMINUM ALLOY 2024
  • First Tip Style: SQUARE END
  • Length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-01-073-5150, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 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: Cancelled.

Technical Specifications
ParameterValue
NSN9540-01-073-5150
Primary Part NumberASTM B221
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusCANCELLED
Weight Per Unit Measure0.204 POUNDS PER LINEAR FOOT LBS
Left Side Flange Thickness0.063 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Base Flange0.080 INCHES NOMINAL IN
Second Tip Relationship to First TipIDENTICAL
MaterialALUMINUM ALLOY 2024
First Tip StyleSQUARE END
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Nondefinitive Spec/std Data2024 ALLOY AND T8511 TEMPER
Heat TreatmentT-8511 SOLUTION HEAT TREATED
Basic Shape StyleANGLE
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Specification/standard Data81755-K10 MANUFACTURERS STANDARD
Base Flange Thickness0.063 INCHES NOMINAL IN
Fabrication MethodEXTRUDED
Left Inside Angle90.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-227-3657105257R91 INTERCHANGEABLE
Bearing,roller,cylindrical
Navistar Intl Corp Truck Br Ohio Plant
2530-00-516-787510A8797 INTERCHANGEABLE
Spring and Valve Assembly
Napco International Llc Dba Napco International Inc
9540-00-806-3646 INTERCHANGEABLE
Beam,structural
9540-01-071-4711 INTERCHANGEABLE
Angle,structural
5962-01-076-6628932820-87 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
5962-01-088-856342253 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5950-01-105-1224 INTERCHANGEABLE
Transformer,power
2940-01-154-8399AF0097900M INTERCHANGEABLE
Filter Element,intake Air Cleane
Cummins Filtration Inc Dba Fleetguard Div Cummins Inc
4520-01-176-126817722 INTERCHANGEABLE
Heater,water,electric
The Electric Heater Co Dba Hubbell Electric Heater Co.
2910-01-205-785317722 INTERCHANGEABLE
Cap Assembly,injection Nozzle
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
17722 Alcoa/reynolds Metals Company (USA)
9540PL1716929 Jednolity Indeks Materialowy - Uniform Material Index (POL)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
9540PL1823753 Jednolity Indeks Materialowy - Uniform Material Index (POL)
42253 International Light Metals Corp Sub of Martin Marietta Corp (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
MS14284E251 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
9540PL1059065 Jednolity Indeks Materialowy - Uniform Material Index (POL)
60-3508 Transtar Metals Corp (USA)
K10A38T8511 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
Related Parts
3110-00-227-3657INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
105257R91
2530-00-516-7875INTERCHANGEABLE
SPRING AND VALVE ASSEMBLY
10A8797
9540-00-806-3646INTERCHANGEABLE
BEAM,STRUCTURAL
9540-01-071-4711INTERCHANGEABLE
ANGLE,STRUCTURAL
5962-01-076-6628INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932820-87
5962-01-088-8563INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42253
5950-01-105-1224INTERCHANGEABLE
TRANSFORMER,POWER
2940-01-154-8399INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
AF0097900M
4520-01-176-1268INTERCHANGEABLE
HEATER,WATER,ELECTRIC
17722
2910-01-205-7853INTERCHANGEABLE
CAP ASSEMBLY,INJECTION NOZZLE
17722
6060-01-318-3132INTERCHANGEABLE
COUPLER,OPTOELECTRONIC,FIBER OPT
17722
9540-01-420-0077INTERCHANGEABLE
ANGLE,STRUCTURAL
17722

Frequently Asked Questions

What is NSN 9540-01-073-5150?

NSN 9540-01-073-5150 is a Angle,structural, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 9540 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 9540-01-073-5150?

NSN 9540-01-073-5150 has 12 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), 17722 (Alcoa/reynolds Metals Company), 9540PL1716929 (Jednolity Indeks Materialowy - Uniform Material Index), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), 9540PL1823753 (Jednolity Indeks Materialowy - Uniform Material Index) and 7 more.

What NSN replaces 9540-01-073-5150?

There are 12 known substitutes for 9540-01-073-5150: 3110-00-227-3657, 2530-00-516-7875, 9540-00-806-3646 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM B221?

Key specifications for ASTM B221: Weight Per Unit Measure: 0.204 POUNDS PER LINEAR FOOT LBS; Left Side Flange Thickness: 0.063 INCHES NOMINAL IN; Fillet Radius Where Left Flange Joins Base Flange: 0.080 INCHES NOMINAL IN; Second Tip Relationship to First Tip: IDENTICAL. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 9540-01-073-5150 still in active supply?

NSN 9540-01-073-5150 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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