PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10552-AAngle,structural

Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions · NSN 9540-01-072-4784 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-01-072-4784 — this item is cataloged by the U.S. Government under National Stock Number 9540-01-072-4784. Primary manufacturer part number: 10552-A.
Features
  • Angle,structural — FSC 9540
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • First Tip Radius: 0.063 INCHES NOMINAL IN
  • Heat Treatment: O-ANNEALED
  • Base Flange Thickness: 0.063 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 2024
  • Second Tip Style: UPPER RADIUS
  • Fabrication Method: EXTRUDED
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-01-072-4784, 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 Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions. Government technical data includes 16 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-01-072-4784
Primary Part Number10552-A
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerPimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions
StatusACTIVE
Left Inside Angle90.0 DEGREES NOMINAL
First Tip Radius0.063 INCHES NOMINAL IN
Heat TreatmentO-ANNEALED
Base Flange Thickness0.063 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 2024
Second Tip StyleUPPER RADIUS
Fabrication MethodEXTRUDED
Second Tip Relationship to First TipNOT IDENTICAL
Second Tip Radius0.063 INCHES NOMINAL IN
Left Side Flange Thickness0.063 INCHES NOMINAL IN
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std Data2024 ALLOY AND 0 TEMPER
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Basic Shape StyleANGLE
Fillet Radius Where Left Flange Joins Base Flange0.188 INCHES NOMINAL IN
First Tip StyleRIGHT QUARTER RADIUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
9540-00-006-4911 INTERCHANGEABLE
Angle,structural
9540-00-145-4503 INTERCHANGEABLE
Angle,structural
9540-00-185-4224 INTERCHANGEABLE
Angle,structural
9540-00-236-3953 INTERCHANGEABLE
Angle,structural
9540-00-501-6128 INTERCHANGEABLE
Angle,structural
9540-00-720-1326 INTERCHANGEABLE
Angle,structural
9540-00-727-0191 INTERCHANGEABLE
Angle,structural
9540-01-071-4727 INTERCHANGEABLE
Angle,structural
9540-01-073-5151 INTERCHANGEABLE
Angle,structural
Cross-Reference Index
Part NumberManufacturer
10552-A Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions (USA)
AND10133-1001 Airforce-Navy Aeronautical Design Standard
MS14284E083 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
K10A39O Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (USA)
9540PL0864053 Jednolity Indeks Materialowy - Uniform Material Index (POL)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
QQ-A-200/3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
9540-00-006-4911INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-145-4503INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-185-4224INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-236-3953INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-501-6128INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-720-1326INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-727-0191INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-01-071-4727INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-01-073-5151INTERCHANGEABLE
ANGLE,STRUCTURAL

Frequently Asked Questions

What is NSN 9540-01-072-4784?

NSN 9540-01-072-4784 is a Angle,structural, manufactured by Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-01-072-4784?

NSN 9540-01-072-4784 has 9 cross-referenced part numbers: 10552-A (Pimalco Inc. Div Alcoa Inc Global Hard Alloy Extrusions), AND10133-1001 (Airforce-Navy Aeronautical Design Standard), MS14284E083 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), K10A39O (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), AMS-QQ-A-200/3 (Sae International Dba Sae International) and 4 more.

What NSN replaces 9540-01-072-4784?

There are 9 known substitutes for 9540-01-072-4784: 9540-00-006-4911, 9540-00-145-4503, 9540-00-185-4224 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10552-A?

Key specifications for 10552-A: Left Inside Angle: 90.0 DEGREES NOMINAL; First Tip Radius: 0.063 INCHES NOMINAL IN; Heat Treatment: O-ANNEALED; Base Flange Thickness: 0.063 INCHES NOMINAL IN. 18 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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