PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM B221Angle,structural

American Society for Testing and Materials Dba Astm International · NSN 9540-00-596-3017 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-596-3017 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-596-3017. Primary manufacturer part number: ASTM B221.
Features
  • Angle,structural — FSC 9540
  • Fillet Radius Where Left Flange Joins Base Flange: 0.117 INCHES NOMINAL IN
  • Left Side Flange Thickness: 0.078 INCHES NOMINAL IN
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • First Tip Radius: 0.078 INCHES NOMINAL IN
  • Second Tip Diameter: 0.234 INCHES NOMINAL IN
  • Base Flange Thickness: 0.078 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 7075
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-596-3017, 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 12 commercial cross-references from 9 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
NSN9540-00-596-3017
Primary Part NumberASTM B221
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusACTIVE
Fillet Radius Where Left Flange Joins Base Flange0.117 INCHES NOMINAL IN
Left Side Flange Thickness0.078 INCHES NOMINAL IN
Left Inside Angle90.0 DEGREES NOMINAL
First Tip Radius0.078 INCHES NOMINAL IN
Second Tip Diameter0.234 INCHES NOMINAL IN
Base Flange Thickness0.078 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 7075
Basic Shape StyleANGLE
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
Second Tip Radius0.117 INCHES NOMINAL IN
Heat TreatmentT-6 SOLUTION HEAT TREATED
First Tip StyleRIGHT QUARTER RADIUS
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Second Tip StyleUPPER BULBOUS
Second Tip Relationship to First TipNOT IDENTICAL
Fabrication MethodEXTRUDED
Weight Per Unit Measure0.190 POUNDS PER LINEAR FOOT LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-082-74102651-335 INTERCHANGEABLE
Resistor,fixed,wire Wound
Reliance Comm/tec Corp Lorain Products Div
5120-00-133-0618 INTERCHANGEABLE
Die,crimping Tool
3455-00-224-366059-10016 INTERCHANGEABLE
Cutter,milling,metal Slitting
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5905-00-258-01016104-3227492REVAPC51 INTERCHANGEABLE
Resistor,adjustable
Naval Ship Systems Command
3040-00-270-80504500-209 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
5306-00-276-84694423A INTERCHANGEABLE
Bolt,machine
Brinkley Technology Group Llc Dba Hercules Manufacturing
2815-00-374-826540291 INTERCHANGEABLE
Impeller,blower,centrifugal
Napco International Llc Dba Napco International Inc
5905-00-407-631118405 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Electro Scientific Industries Inc
5961-00-410-3164 INTERCHANGEABLE
Transistor
6610-00-420-6789 INTERCHANGEABLE
Indicator,counting
Cross-Reference Index
Part NumberManufacturer
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
10677 Reynolds Metals Co (USA)
AND10135-1003 Airforce-Navy Aeronautical Design Standard
4423 Reynolds Metals Co (USA)
AMS4154 Society of Automotive Engineers Inc (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
HA445 Kaiser Aluminum and Chemical Corp Trentwood Works-Marketing Dept (USA)
40291 Bohn Aluminum and Brass Co Div of Gulf and Western Mfg Co Sub of Gulf and Western Industries (USA)
18405 International Light Metals Corp Sub of Martin Marietta Corp (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
AMS4154 Sae International Dba Sae International (USA)
Related Parts
5905-00-082-7410INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2651-335
5120-00-133-0618INTERCHANGEABLE
DIE,CRIMPING TOOL
3455-00-224-3660INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
59-10016
5905-00-258-0101INTERCHANGEABLE
RESISTOR,ADJUSTABLE
6104-3227492REVAPC51
3040-00-270-8050INTERCHANGEABLE
CONNECTING LINK,RIGID
4500-209
5306-00-276-8469INTERCHANGEABLE
BOLT,MACHINE
4423A
2815-00-374-8265INTERCHANGEABLE
IMPELLER,BLOWER,CENTRIFUGAL
40291
5905-00-407-6311INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
18405
5961-00-410-3164INTERCHANGEABLE
TRANSISTOR
6610-00-420-6789INTERCHANGEABLE
INDICATOR,COUNTING
5120-00-659-8984INTERCHANGEABLE
EXTRACTOR,SCREW
MDE200099-1
9540-00-720-1782INTERCHANGEABLE
ANGLE,STRUCTURAL

Frequently Asked Questions

What is NSN 9540-00-596-3017?

NSN 9540-00-596-3017 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 9540-00-596-3017?

NSN 9540-00-596-3017 has 12 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), 10677 (Reynolds Metals Co), AND10135-1003 (Airforce-Navy Aeronautical Design Standard), 4423 (Reynolds Metals Co), AMS4154 (Society of Automotive Engineers Inc) and 7 more.

What NSN replaces 9540-00-596-3017?

There are 12 known substitutes for 9540-00-596-3017: 5905-00-082-7410, 5120-00-133-0618, 3455-00-224-3660 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM B221?

Key specifications for ASTM B221: Fillet Radius Where Left Flange Joins Base Flange: 0.117 INCHES NOMINAL IN; Left Side Flange Thickness: 0.078 INCHES NOMINAL IN; Left Inside Angle: 90.0 DEGREES NOMINAL; First Tip Radius: 0.078 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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