PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM B221Angle,structural

American Society for Testing and Materials Dba Astm International · NSN 9540-00-892-2351 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-892-2351 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-892-2351. Primary manufacturer part number: ASTM B221.
Features
  • Angle,structural — FSC 9540
  • Length: 20.000 FEET NOMINAL FT
  • First Tip Radius: 0.125 INCHES NOMINAL IN
  • Heat Treatment: H-111 STRAIN HARDENED
  • Left Side Flange Thickness: 0.188 INCHES NOMINAL IN
  • First Tip Style: RIGHT QUARTER RADIUS
  • Material: ALUMINUM ALLOY 5456
  • Weight Per Unit Measure: 0.870 POUNDS PER LINEAR FOOT LBS
Applications
  • Applications requiring Aluminum Alloy 5456 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-892-2351, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-892-2351
Primary Part NumberASTM B221
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusACTIVE
Length20.000 FEET NOMINAL FT
First Tip Radius0.125 INCHES NOMINAL IN
Heat TreatmentH-111 STRAIN HARDENED
Left Side Flange Thickness0.188 INCHES NOMINAL IN
First Tip StyleRIGHT QUARTER RADIUS
MaterialALUMINUM ALLOY 5456
Weight Per Unit Measure0.870 POUNDS PER LINEAR FOOT LBS
Second Tip Relationship to First TipNOT IDENTICAL
Fabrication MethodEXTRUDED
Base Flange Thickness0.188 INCHES NOMINAL IN
Second Tip Radius0.125 INCHES NOMINAL IN
Second Tip StyleUPPER RADIUS
Nondefinitive Spec/std Data5456 ALLOY AND H111 TEMPER
Material Document and ClassificationAMS-QQ-A-200/7 FED SPEC SINGLE MATERIAL RESPONSE
Fillet Radius Where Left Flange Joins Base Flange0.250 INCHES NOMINAL IN
Left Inside Angle90.0 DEGREES NOMINAL
Basic Shape StyleANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-153-439711-720 INTERCHANGEABLE
Connector,receptacle,electrical
Pollak Joseph Corp
9150-00-728-9652 INTERCHANGEABLE
Lubricant,solid Film
5935-00-987-45361251 INTERCHANGEABLE
Connector,receptacle,electrical
Cole Hersee Company
Cross-Reference Index
Part NumberManufacturer
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
77S Aluminum Co of America (USA)
AMS-QQ-A-200/7 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/7 Sae International Dba Sae International (USA)
QQ-A-200/7 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5935-00-153-4397INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
11-720
9150-00-728-9652INTERCHANGEABLE
LUBRICANT,SOLID FILM
5935-00-987-4536INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1251

Frequently Asked Questions

What is NSN 9540-00-892-2351?

NSN 9540-00-892-2351 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 9540-00-892-2351?

NSN 9540-00-892-2351 has 5 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), 77S (Aluminum Co of America), AMS-QQ-A-200/7 (Society of Automotive Engineers Inc), AMS-QQ-A-200/7 (Sae International Dba Sae International), QQ-A-200/7 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 9540-00-892-2351?

There are 3 known substitutes for 9540-00-892-2351: 5935-00-153-4397, 9150-00-728-9652, 5935-00-987-4536. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM B221?

Key specifications for ASTM B221: Length: 20.000 FEET NOMINAL FT; First Tip Radius: 0.125 INCHES NOMINAL IN; Heat Treatment: H-111 STRAIN HARDENED; Left Side Flange Thickness: 0.188 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.
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