PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM B221Angle,structural

American Society for Testing and Materials Dba Astm International · NSN 9540-00-595-9916 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-595-9916 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-595-9916. Primary manufacturer part number: ASTM B221.
Features
  • Angle,structural — FSC 9540
  • Second Tip Relationship to First Tip: IDENTICAL
  • Material: ALUMINUM ALLOY 2024
  • Outer Radius Where Left Flange Joins Base Flange: 0.031 INCHES NOMINAL IN
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • Material Document and Classification: AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
  • Left Side Flange Thickness: 0.094 INCHES NOMINAL IN
  • First Tip Outer Radius: 0.031 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-595-9916, 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 11 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: Active.

Technical Specifications
ParameterValue
NSN9540-00-595-9916
Primary Part NumberASTM B221
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusACTIVE
Second Tip Relationship to First TipIDENTICAL
MaterialALUMINUM ALLOY 2024
Outer Radius Where Left Flange Joins Base Flange0.031 INCHES NOMINAL IN
Left Inside Angle90.0 DEGREES NOMINAL
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Left Side Flange Thickness0.094 INCHES NOMINAL IN
First Tip Outer Radius0.031 INCHES NOMINAL IN
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
First Tip Inner Radius0.031 INCHES NOMINAL IN
Nondefinitive Spec/std Data2024 ALLOY AND T3511 TEMPER
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
First Tip StyleSQUARE W/ INNER AND OUTER CORNER RADII
Weight Per Unit Measure0.330 POUNDS PER LINEAR FOOT LBS
Base Flange Thickness0.094 INCHES NOMINAL IN
Heat TreatmentT-3511 SOLUTION HEAT TREATED
Fabrication MethodEXTRUDED
Basic Shape StyleANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-011-46274-060110B INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
5950-00-112-4468354---48 INTERCHANGEABLE
Transformer,pulse
Ward Leonard Ct Llc
5110-00-260-1708 INTERCHANGEABLE
Reamer,hand
5305-00-266-6288 INTERCHANGEABLE
Screw,cap,hexagon Head
3110-00-356-3367 INTERCHANGEABLE
Bearing
2940-00-444-741402261-0142 INTERCHANGEABLE
Air Cleaner,intake
Asrc Federal Facilities Logistics, Llc
5998-00-460-47976723-00400 INTERCHANGEABLE
Circuit Card Assembly
Bae Systems (operations) Limited
5915-00-665-2323 INTERCHANGEABLE
Filter,band Pass
4810-00-795-5039200RB4T4-T INTERCHANGEABLE
Valve,solenoid
Emerson Electric Co Alco Controls Div
2910-00-801-46790-14981 INTERCHANGEABLE
Carburetor,float
Zenith Fuel Systems Llc
Cross-Reference Index
Part NumberManufacturer
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
S120 Northrop Grumman Systems Corporation (USA)
60-1197 Transtar Metals Corp (USA)
FS10103-2010 Hiller Aircraft Corporation (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
22767 Alcoa/reynolds Metals Company (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
DIE27778 Aluminum Co of America (USA)
PA4294 Transtar Metals Corp (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
50587 National Distillers and Chemical Corp Bridgeport Brass Co Div (USA)
Related Parts
4730-00-011-4627INTERCHANGEABLE
NUT,TUBE COUPLING
4-060110B
5950-00-112-4468INTERCHANGEABLE
TRANSFORMER,PULSE
354---48
5110-00-260-1708INTERCHANGEABLE
REAMER,HAND
5305-00-266-6288INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
3110-00-356-3367INTERCHANGEABLE
BEARING
2940-00-444-7414INTERCHANGEABLE
AIR CLEANER,INTAKE
02261-0142
5998-00-460-4797INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6723-00400
5915-00-665-2323INTERCHANGEABLE
FILTER,BAND PASS
4810-00-795-5039INTERCHANGEABLE
VALVE,SOLENOID
200RB4T4-T
2910-00-801-4679INTERCHANGEABLE
CARBURETOR,FLOAT
0-14981
5365-00-986-1818INTERCHANGEABLE
SPACER,RING
30214-1
6670-01-055-6180INTERCHANGEABLE
SCALE,MAIL AND PARCEL POST
S-120

Frequently Asked Questions

What is NSN 9540-00-595-9916?

NSN 9540-00-595-9916 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 9540-00-595-9916?

NSN 9540-00-595-9916 has 11 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), S120 (Northrop Grumman Systems Corporation), 60-1197 (Transtar Metals Corp), FS10103-2010 (Hiller Aircraft Corporation), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc) and 6 more.

What NSN replaces 9540-00-595-9916?

There are 12 known substitutes for 9540-00-595-9916: 4730-00-011-4627, 5950-00-112-4468, 5110-00-260-1708 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ASTM B221?

Key specifications for ASTM B221: Second Tip Relationship to First Tip: IDENTICAL; Material: ALUMINUM ALLOY 2024; Outer Radius Where Left Flange Joins Base Flange: 0.031 INCHES NOMINAL IN; Left Inside Angle: 90.0 DEGREES NOMINAL. 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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