PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM B221Angle,structural

American Society for Testing and Materials Dba Astm International · NSN 9540-00-486-6169 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-486-6169 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-486-6169. Primary manufacturer part number: ASTM B221.
Features
  • Angle,structural — FSC 9540
  • Weight Per Unit Measure: 0.190 POUNDS PER LINEAR FOOT LBS
  • Base Flange Thickness: 0.063 INCHES NOMINAL IN
  • Fillet Radius Where Left Flange Joins Base Flange: 0.188 INCHES NOMINAL IN
  • First Tip Radius: 0.063 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 2024
  • First Tip Style: RIGHT QUARTER RADIUS
  • Second Tip Relationship to First Tip: NOT IDENTICAL
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-486-6169, 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 8 commercial cross-references from 7 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
NSN9540-00-486-6169
Primary Part NumberASTM B221
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusACTIVE
Weight Per Unit Measure0.190 POUNDS PER LINEAR FOOT LBS
Base Flange Thickness0.063 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Base Flange0.188 INCHES NOMINAL IN
First Tip Radius0.063 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 2024
First Tip StyleRIGHT QUARTER RADIUS
Second Tip Relationship to First TipNOT IDENTICAL
Second Tip StyleUPPER RADIUS
Basic Shape StyleANGLE
Second Tip Radius0.063 INCHES NOMINAL IN
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std Data2024 ALLOY AND T8511 TEMPER
Left Inside Angle90.0 DEGREES NOMINAL
Fabrication MethodEXTRUDED
Heat TreatmentT-8511 SOLUTION HEAT TREATED
Left Side Flange Thickness0.063 INCHES NOMINAL IN
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
9540-00-078-6073LS10134-1201-2 INTERCHANGEABLE
Angle,structural
Lockheed Martin Corp
9540-00-236-3955 INTERCHANGEABLE
Angle,structural
9540-01-072-0172 INTERCHANGEABLE
Angle,structural
1560-01-206-5118205-030-163-117S INTERCHANGEABLE
Support,structural Component,air
Bell Textron Inc
9540-01-233-0624 INTERCHANGEABLE
Angle,structural
9540-01-445-170310133-1201 INTERCHANGEABLE
Angle,structural
Transtar Metals Corp
Cross-Reference Index
Part NumberManufacturer
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
9540PL1953101 Jednolity Indeks Materialowy - Uniform Material Index (POL)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
AND10133-1201 Airforce-Navy Aeronautical Design Standard
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
9540PL0900330 Jednolity Indeks Materialowy - Uniform Material Index (POL)
10164539 Nimikkeistokeskus Ncb Finland (FIN)
Related Parts
9540-00-078-6073INTERCHANGEABLE
ANGLE,STRUCTURAL
LS10134-1201-2
9540-00-236-3955INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-01-072-0172INTERCHANGEABLE
ANGLE,STRUCTURAL
1560-01-206-5118INTERCHANGEABLE
SUPPORT,STRUCTURAL COMPONENT,AIR
205-030-163-117S
9540-01-233-0624INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-01-445-1703INTERCHANGEABLE
ANGLE,STRUCTURAL
10133-1201

Frequently Asked Questions

What is NSN 9540-00-486-6169?

NSN 9540-00-486-6169 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 9540-00-486-6169?

NSN 9540-00-486-6169 has 8 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), 9540PL1953101 (Jednolity Indeks Materialowy - Uniform Material Index), AMS-QQ-A-200/3 (Sae International Dba Sae International), AND10133-1201 (Airforce-Navy Aeronautical Design Standard), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc) and 3 more.

What NSN replaces 9540-00-486-6169?

There are 6 known substitutes for 9540-00-486-6169: 9540-00-078-6073, 9540-00-236-3955, 9540-01-072-0172 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM B221?

Key specifications for ASTM B221: Weight Per Unit Measure: 0.190 POUNDS PER LINEAR FOOT LBS; Base Flange Thickness: 0.063 INCHES NOMINAL IN; Fillet Radius Where Left Flange Joins Base Flange: 0.188 INCHES NOMINAL IN; First Tip Radius: 0.063 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com