PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ASTM B221Angle,structural

American Society for Testing and Materials Dba Astm International · NSN 9540-00-293-4135 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-293-4135 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-293-4135. Primary manufacturer part number: ASTM B221.
Features
  • Angle,structural — FSC 9540
  • Fillet Radius Where Left Flange Joins Base Flange: 0.045 INCHES MAXIMUM IN
  • Basic Shape Style: ANGLE
  • Material: ALUMINUM ALLOY 7075
  • Heat Treatment: T-6 SOLUTION HEAT TREATED
  • Left Side Flange Thickness: 0.100 INCHES NOMINAL IN
  • First Tip Style: RIGHT QUARTER RADIUS
  • Second Tip Radius: 0.125 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Alloy 7075 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-293-4135, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-293-4135
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 Flange0.045 INCHES MAXIMUM IN
Basic Shape StyleANGLE
MaterialALUMINUM ALLOY 7075
Heat TreatmentT-6 SOLUTION HEAT TREATED
Left Side Flange Thickness0.100 INCHES NOMINAL IN
First Tip StyleRIGHT QUARTER RADIUS
Second Tip Radius0.125 INCHES NOMINAL IN
Left Inside Angle90.0 DEGREES NOMINAL
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Base Flange Thickness0.064 INCHES NOMINAL IN
Nondefinitive Spec/std Data7075 ALLOY AND T6 TEMPER
Second Tip Diameter0.250 INCHES NOMINAL IN
First Tip Radius0.100 INCHES NOMINAL IN
Second Tip StyleUPPER BULBOUS
Fabrication MethodEXTRUDED
Second Tip Relationship to First TipNOT IDENTICAL
Weight Per Unit Measure0.246 POUNDS PER LINEAR FOOT LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6250-00-060-644212-260 INTERCHANGEABLE
Lampholder
Lighting Components and Design Incorporated Dba Lc&d
5133-00-189-9305 INTERCHANGEABLE
Drill,twist
5815-00-392-2179122-60 INTERCHANGEABLE
Wheel,ratchet
Lucent Technologies Inc Corporate Headquarters
5330-00-422-159912260SS INTERCHANGEABLE
Seal,plain
Johns Manville Intl
4140-00-719-5654 INTERCHANGEABLE
Fan,electrical
5950-00-860-0800SM-B-2002510-5 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-986-6490623-12260 INTERCHANGEABLE
Seal,mechanical
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5680-00-999-558212260 INTERCHANGEABLE
Trackway
Patrick Engineering Ltd
5910-01-110-0451 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
6210-01-127-3047 INTERCHANGEABLE
Lens,light
Cross-Reference Index
Part NumberManufacturer
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
12260 International Light Metals Corp Sub of Martin Marietta Corp (USA)
AMS 4154 Sae International Dba Sae International (USA)
AMS-QQ-A-200/11 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/11 Sae International Dba Sae International (USA)
QQ-A-200/11 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
LS979-2 Lockheed Martin Corp (USA)
PA5439 Transtar Metals Corp (USA)
Related Parts
6250-00-060-6442INTERCHANGEABLE
LAMPHOLDER
12-260
5133-00-189-9305INTERCHANGEABLE
DRILL,TWIST
5815-00-392-2179INTERCHANGEABLE
WHEEL,RATCHET
122-60
5330-00-422-1599INTERCHANGEABLE
SEAL,PLAIN
12260SS
4140-00-719-5654INTERCHANGEABLE
FAN,ELECTRICAL
5950-00-860-0800INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SM-B-2002510-5
5330-00-986-6490INTERCHANGEABLE
SEAL,MECHANICAL
623-12260
5680-00-999-5582INTERCHANGEABLE
TRACKWAY
12260
5910-01-110-0451INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
6210-01-127-3047INTERCHANGEABLE
LENS,LIGHT
5940-01-172-7915INTERCHANGEABLE
TERMINAL,LUG
728021
7930-01-199-5595INTERCHANGEABLE
STAIN REMOVER,TABLEWARE
7930-00-NIB-0135

Frequently Asked Questions

What is NSN 9540-00-293-4135?

NSN 9540-00-293-4135 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 9540-00-293-4135?

NSN 9540-00-293-4135 has 8 cross-referenced part numbers: ASTM B221 (American Society for Testing and Materials Dba Astm International), 12260 (International Light Metals Corp Sub of Martin Marietta Corp), AMS 4154 (Sae International Dba Sae International), AMS-QQ-A-200/11 (Society of Automotive Engineers Inc), AMS-QQ-A-200/11 (Sae International Dba Sae International) and 3 more.

What NSN replaces 9540-00-293-4135?

There are 12 known substitutes for 9540-00-293-4135: 6250-00-060-6442, 5133-00-189-9305, 5815-00-392-2179 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: 0.045 INCHES MAXIMUM IN; Basic Shape Style: ANGLE; Material: ALUMINUM ALLOY 7075; Heat Treatment: T-6 SOLUTION HEAT TREATED. 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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