PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM B221Angle,structural

American Society for Testing and Materials Dba Astm International · NSN 9540-00-250-1060 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-250-1060 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-250-1060. Primary manufacturer part number: ASTM B221.
Features
  • Angle,structural — FSC 9540
  • Base Flange Thickness: 0.250 INCHES NOMINAL IN
  • Length: 20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT
  • Weight Per Unit Measure: 2.030 POUNDS PER LINEAR FOOT LBS
  • Material: ALUMINUM ALLOY 6061
  • Fabrication Method: EXTRUDED
  • First Tip Radius: 0.250 INCHES NOMINAL IN
  • Heat Treatment: T-6 SOLUTION HEAT TREATED
Applications
  • Applications requiring Aluminum Alloy 6061 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-250-1060, 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 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN9540-00-250-1060
Primary Part NumberASTM B221
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusCANCELLED
Base Flange Thickness0.250 INCHES NOMINAL IN
Length20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT
Weight Per Unit Measure2.030 POUNDS PER LINEAR FOOT LBS
MaterialALUMINUM ALLOY 6061
Fabrication MethodEXTRUDED
First Tip Radius0.250 INCHES NOMINAL IN
Heat TreatmentT-6 SOLUTION HEAT TREATED
Left Side Flange Thickness0.250 INCHES NOMINAL IN
Material Document and ClassificationAMS-QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE
First Tip StyleRIGHT QUARTER RADIUS
Second Tip Radius0.250 INCHES NOMINAL IN
Nondefinitive Spec/std Data6061 ALLOY AND T6 TEMPER
Fillet Radius Where Left Flange Joins Base Flange0.375 INCHES NOMINAL IN
Second Tip Relationship to First TipNOT IDENTICAL
Second Tip StyleUPPER RADIUS
Basic Shape StyleANGLE
Left Inside Angle90.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
9540-00-542-2729 INTERCHANGEABLE
Angle,structural
6105-01-114-339773431 INTERCHANGEABLE
Motor,torque
Parker-Hannifin Corporation
Cross-Reference Index
Part NumberManufacturer
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
SAE-AMS-QQ-A-200/8 Sae International Dba Sae International (USA)
QQ-A-200/8 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
734-31 Aluminum Co of America (USA)
AMS-QQ-A-200/8 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/8 Sae International Dba Sae International (USA)
Related Parts
9540-00-542-2729INTERCHANGEABLE
ANGLE,STRUCTURAL
6105-01-114-3397INTERCHANGEABLE
MOTOR,TORQUE
73431

Frequently Asked Questions

What is NSN 9540-00-250-1060?

NSN 9540-00-250-1060 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 9540-00-250-1060?

NSN 9540-00-250-1060 has 6 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), SAE-AMS-QQ-A-200/8 (Sae International Dba Sae International), QQ-A-200/8 (Federal Specifications Promulgated by General Services Administration Washington DC), 734-31 (Aluminum Co of America), AMS-QQ-A-200/8 (Society of Automotive Engineers Inc) and 1 more.

What NSN replaces 9540-00-250-1060?

There are 2 known substitutes for 9540-00-250-1060: 9540-00-542-2729, 6105-01-114-3397. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM B221?

Key specifications for ASTM B221: Base Flange Thickness: 0.250 INCHES NOMINAL IN; Length: 20.000 FEET MINIMUM AND 30.000 FEET MAXIMUM FT; Weight Per Unit Measure: 2.030 POUNDS PER LINEAR FOOT LBS; Material: ALUMINUM ALLOY 6061. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 9540-00-250-1060 still in active supply?

NSN 9540-00-250-1060 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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