PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K10A71T8511Angle,structural

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 9540-01-071-8255 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-071-8255 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-071-8255. Primary manufacturer part number: K10A71T8511.
Features
  • Angle,structural — FSC 9540
  • Fabrication Method: EXTRUDED
  • Fillet Radius Where Left Flange Joins Base Flange: 0.188 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 2024
  • Material Document and Classification: AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • Second Tip Style: UPPER RADIUS
  • Nondefinitive Spec/std Data: 2024 ALLOY AND T8511 TEMPER
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-01-071-8255, 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 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-01-071-8255
Primary Part NumberK10A71T8511
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusACTIVE
Fabrication MethodEXTRUDED
Fillet Radius Where Left Flange Joins Base Flange0.188 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 2024
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Left Inside Angle90.0 DEGREES NOMINAL
Second Tip StyleUPPER RADIUS
Nondefinitive Spec/std Data2024 ALLOY AND T8511 TEMPER
First Tip Radius0.094 INCHES NOMINAL IN
Second Tip Relationship to First TipNOT IDENTICAL
Basic Shape StyleANGLE
Heat TreatmentT-8511 SOLUTION HEAT TREATED
Second Tip Radius0.094 INCHES NOMINAL IN
Left Side Flange Thickness0.094 INCHES NOMINAL IN
First Tip StyleRIGHT QUARTER RADIUS
Base Flange Thickness0.094 INCHES NOMINAL IN
Weight Per Unit Measure0.332 POUNDS PER LINEAR FOOT LBS
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
9540-00-145-8450 INTERCHANGEABLE
Angle,structural
9540-00-933-9650 INTERCHANGEABLE
Angle,structural
9540-01-363-74251MA100D06-10076 INTERCHANGEABLE
Angle,structural
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
K10A71T8511 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
AND10133-1402 Airforce-Navy Aeronautical Design Standard
MS14284E177 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AMS10133 Society of Automotive Engineers Inc (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
AMS10133-1402 Society of Automotive Engineers Inc (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
Related Parts
9540-00-145-8450INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-933-9650INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-01-363-7425INTERCHANGEABLE
ANGLE,STRUCTURAL
1MA100D06-10076

Frequently Asked Questions

What is NSN 9540-01-071-8255?

NSN 9540-01-071-8255 is a Angle,structural, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-01-071-8255?

NSN 9540-01-071-8255 has 8 cross-referenced part numbers: K10A71T8511 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), AND10133-1402 (Airforce-Navy Aeronautical Design Standard), MS14284E177 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AMS10133 (Society of Automotive Engineers Inc), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 9540-01-071-8255?

There are 3 known substitutes for 9540-01-071-8255: 9540-00-145-8450, 9540-00-933-9650, 9540-01-363-7425. Verify interchangeability with system specifications before substitution.

What are the specifications of K10A71T8511?

Key specifications for K10A71T8511: Fabrication Method: EXTRUDED; Fillet Radius Where Left Flange Joins Base Flange: 0.188 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 2024; Overall Width: 1.500 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.
PartsTable Design LLC · partstable.com