PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54370Angle,structural

International Light Metals Corp Sub of Martin Marietta Corp · NSN 9540-01-071-6526 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-071-6526 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-071-6526. Primary manufacturer part number: 54370.
Features
  • Angle,structural — FSC 9540
  • Material: ALUMINUM ALLOY 2024
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • First Tip Style: SQUARE END
  • Nondefinitive Spec/std Data: 2024 ALLOY AND T8511 TEMPER
  • Weight Per Unit Measure: 0.425 POUNDS PER LINEAR FOOT LBS
  • Specification/standard Data: 81755-K10 MANUFACTURERS STANDARD
  • Material Document and Classification: AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-01-071-6526, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 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
NSN9540-01-071-6526
Primary Part Number54370
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerInternational Light Metals Corp Sub of Martin Marietta Corp
StatusACTIVE
MaterialALUMINUM ALLOY 2024
Left Inside Angle90.0 DEGREES NOMINAL
First Tip StyleSQUARE END
Nondefinitive Spec/std Data2024 ALLOY AND T8511 TEMPER
Weight Per Unit Measure0.425 POUNDS PER LINEAR FOOT LBS
Specification/standard Data81755-K10 MANUFACTURERS STANDARD
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Basic Shape StyleANGLE
Fillet Radius Where Left Flange Joins Base Flange0.190 INCHES NOMINAL IN
Heat TreatmentT-8511 SOLUTION HEAT TREATED
Second Tip Relationship to First TipIDENTICAL
Left Side Flange Thickness0.080 INCHES NOMINAL IN
Base Flange Thickness0.080 INCHES NOMINAL IN
Fabrication MethodEXTRUDED
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-07553188 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Federal-Mogul Corp Government Sales Dept
9540-00-179-9667 INTERCHANGEABLE
Angle,structural
5133-00-189-9313 INTERCHANGEABLE
Drill,twist
5210-00-277-1620599-9642-20 INTERCHANGEABLE
Gage Stock,thickness
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
4310-00-316-546741123 INTERCHANGEABLE
Parts Kit,compressor
Blissfield Manufacturing Company
1660-00-670-420641123 INTERCHANGEABLE
Parts Kit,valve,cur
Meggitt North Hollywood Inc
5845-00-788-1746 INTERCHANGEABLE
Resistor Board Asse
8010-00-878-5761 INTERCHANGEABLE
Enamel
4540-01-012-0365 INTERCHANGEABLE
Door,ash Port
3230-01-085-519154370 INTERCHANGEABLE
Blade,jig Saw,woodworking
Black and Decker Us Inc
Cross-Reference Index
Part NumberManufacturer
54370 International Light Metals Corp Sub of Martin Marietta Corp (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
K10A51T8511 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS14284E269 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
52798 Aluminum Co of America (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
60-4041 Transtar Metals Corp (USA)
41123 Alcoa/reynolds Metals Company (USA)
Related Parts
3110-00-100-0755INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3188
9540-00-179-9667INTERCHANGEABLE
ANGLE,STRUCTURAL
5133-00-189-9313INTERCHANGEABLE
DRILL,TWIST
5210-00-277-1620INTERCHANGEABLE
GAGE STOCK,THICKNESS
599-9642-20
4310-00-316-5467INTERCHANGEABLE
PARTS KIT,COMPRESSOR
41123
1660-00-670-4206INTERCHANGEABLE
PARTS KIT,VALVE,CUR
41123
5845-00-788-1746INTERCHANGEABLE
RESISTOR BOARD ASSE
8010-00-878-5761INTERCHANGEABLE
ENAMEL
4540-01-012-0365INTERCHANGEABLE
DOOR,ASH PORT
3230-01-085-5191INTERCHANGEABLE
BLADE,JIG SAW,WOODWORKING
54370
4820-01-096-8899INTERCHANGEABLE
PISTON,VALVE
4820-01-273-1283INTERCHANGEABLE
VALVE,SAFETY RELIEF
54370-31

Frequently Asked Questions

What is NSN 9540-01-071-6526?

NSN 9540-01-071-6526 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 9540-01-071-6526?

NSN 9540-01-071-6526 has 10 cross-referenced part numbers: 54370 (International Light Metals Corp Sub of Martin Marietta Corp), AMS-QQ-A-200/3 (Sae International Dba Sae International), K10A51T8511 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), MS14284E269 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.

What NSN replaces 9540-01-071-6526?

There are 12 known substitutes for 9540-01-071-6526: 3110-00-100-0755, 9540-00-179-9667, 5133-00-189-9313 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54370?

Key specifications for 54370: Overall Height: 2.130 INCHES NOMINAL IN; Overall Width: 2.280 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 2024; Left Inside Angle: 90.0 DEGREES NOMINAL. 17 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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