PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

60421Angle,structural

International Light Metals Corp Sub of Martin Marietta Corp · NSN 9540-01-072-0170 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-072-0170 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-072-0170. Primary manufacturer part number: 60421.
Features
  • Angle,structural — FSC 9540
  • Basic Shape Style: ANGLE
  • Heat Treatment: T-3511 SOLUTION HEAT TREATED
  • Second Tip Relationship to First Tip: IDENTICAL
  • Material: ALUMINUM ALLOY 2024
  • Weight Per Unit Measure: 0.960 POUNDS PER LINEAR FOOT LBS
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • Specification/standard Data: 81755-K10 MANUFACTURERS STANDARD
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-01-072-0170, 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 International Light Metals Corp Sub of Martin Marietta Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 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
NSN9540-01-072-0170
Primary Part Number60421
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerInternational Light Metals Corp Sub of Martin Marietta Corp
StatusACTIVE
Basic Shape StyleANGLE
Heat TreatmentT-3511 SOLUTION HEAT TREATED
Second Tip Relationship to First TipIDENTICAL
MaterialALUMINUM ALLOY 2024
Weight Per Unit Measure0.960 POUNDS PER LINEAR FOOT LBS
Left Inside Angle90.0 DEGREES NOMINAL
Specification/standard Data81755-K10 MANUFACTURERS STANDARD
Base Flange Thickness0.125 INCHES NOMINAL IN
Fabrication MethodEXTRUDED
First Tip StyleSQUARE END
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std Data2024 ALLOY AND T3511 TEMPER
Left Side Flange Thickness0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-034-142318495201 INTERCHANGEABLE
Valve,regulating,temperature
Control Data Systems Inc Contracts Dept
6625-00-079-142611002A INTERCHANGEABLE
Lead Set,test
Keysight Technologies Inc
6515-00-089-5781 INTERCHANGEABLE
Compressor and Pump
9540-00-145-5803 INTERCHANGEABLE
Angle,structural
3455-00-167-209878937 INTERCHANGEABLE
Cutter,milling,end
Carbide Tools for Industry, Inc.
5985-00-168-4329 INTERCHANGEABLE
Coupler,rotary,radio Frequency
9540-00-528-9327 INTERCHANGEABLE
Angle,structural
9540-00-555-5970 INTERCHANGEABLE
Angle,structural
9540-00-720-1357 INTERCHANGEABLE
Angle,structural
4720-01-037-432311446 INTERCHANGEABLE
Tubing,nonmetallic
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
Cross-Reference Index
Part NumberManufacturer
60421 International Light Metals Corp Sub of Martin Marietta Corp (USA)
11002-A Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions (USA)
K10A132T3511 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
MS14284E309 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
60-208 Transtar Metals Corp (USA)
Related Parts
4820-00-034-1423INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
18495201
6625-00-079-1426INTERCHANGEABLE
LEAD SET,TEST
11002A
6515-00-089-5781INTERCHANGEABLE
COMPRESSOR AND PUMP
9540-00-145-5803INTERCHANGEABLE
ANGLE,STRUCTURAL
3455-00-167-2098INTERCHANGEABLE
CUTTER,MILLING,END
78937
5985-00-168-4329INTERCHANGEABLE
COUPLER,ROTARY,RADIO FREQUENCY
9540-00-528-9327INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-555-5970INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-720-1357INTERCHANGEABLE
ANGLE,STRUCTURAL
4720-01-037-4323INTERCHANGEABLE
TUBING,NONMETALLIC
11446
9540-01-073-5145INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-01-075-1068INTERCHANGEABLE
ANGLE,STRUCTURAL

Frequently Asked Questions

What is NSN 9540-01-072-0170?

NSN 9540-01-072-0170 is a Angle,structural, manufactured by International Light Metals Corp Sub of Martin Marietta Corp, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-01-072-0170?

NSN 9540-01-072-0170 has 9 cross-referenced part numbers: 60421 (International Light Metals Corp Sub of Martin Marietta Corp), 11002-A (Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions), K10A132T3511 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), ASTM B221 (American Society for Testing and Materials Dba Astm International) and 4 more.

What NSN replaces 9540-01-072-0170?

There are 12 known substitutes for 9540-01-072-0170: 4820-00-034-1423, 6625-00-079-1426, 6515-00-089-5781 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 60421?

Key specifications for 60421: Basic Shape Style: ANGLE; Heat Treatment: T-3511 SOLUTION HEAT TREATED; Overall Height: 2.500 INCHES NOMINAL IN; Second Tip Relationship to First Tip: IDENTICAL. 16 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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