PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21086Angle,structural

International Light Metals Corp Sub of Martin Marietta Corp · NSN 9540-00-528-8797 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-528-8797 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-528-8797. Primary manufacturer part number: 21086.
Features
  • Angle,structural — FSC 9540
  • Basic Shape Style: ANGLE
  • Base Flange Thickness: 0.125 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 2024
  • First Tip Style: SQUARE END
  • Left Inside Angle: 90.0 DEGREES NOMINAL
  • Heat Treatment: T-3511 SOLUTION HEAT TREATED
  • Weight Per Unit Measure: 0.510 POUNDS PER LINEAR FOOT LBS
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Angle,structural, cataloged under National Stock Number 9540-00-528-8797, 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 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-528-8797
Primary Part Number21086
Item NameAngle,structural
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerInternational Light Metals Corp Sub of Martin Marietta Corp
StatusACTIVE
Basic Shape StyleANGLE
Base Flange Thickness0.125 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 2024
First Tip StyleSQUARE END
Left Inside Angle90.0 DEGREES NOMINAL
Heat TreatmentT-3511 SOLUTION HEAT TREATED
Weight Per Unit Measure0.510 POUNDS PER LINEAR FOOT LBS
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Left Side Flange Thickness0.125 INCHES NOMINAL IN
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std Data2024 ALLOY AND T3511 TEMPER
Second Tip Relationship to First TipIDENTICAL
Fillet Radius Where Left Flange Joins Base Flange0.125 INCHES NOMINAL IN
Fabrication MethodEXTRUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5998-00-134-9577 INTERCHANGEABLE
Printed Circuit Board
5360-00-202-094121086 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc
5965-00-247-488621086 INTERCHANGEABLE
Clamp
Telephonics Corp
5950-00-725-5483 INTERCHANGEABLE
Reactor
1660-00-730-015021086-1 INTERCHANGEABLE
Converter,liquid Oxygen
Mission Systems Orchard Park Inc
4730-01-249-22852108-6 INTERCHANGEABLE
Elbow,tube
King Engineering Corporation Dba King-Gage Systems
4730-01-253-28812-1086-7 INTERCHANGEABLE
Mender,hose
Malabar
4030-01-438-06086169058 INTERCHANGEABLE
Swivel and Link Assembly
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
21086 International Light Metals Corp Sub of Martin Marietta Corp (USA)
ASTM B221 American Society for Testing and Materials Dba Astm International (USA)
AMS-QQ-A-200/3 Sae International Dba Sae International (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)
Related Parts
5998-00-134-9577INTERCHANGEABLE
PRINTED CIRCUIT BOARD
5360-00-202-0941INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21086
5965-00-247-4886INTERCHANGEABLE
CLAMP
21086
5950-00-725-5483INTERCHANGEABLE
REACTOR
1660-00-730-0150INTERCHANGEABLE
CONVERTER,LIQUID OXYGEN
21086-1
4730-01-249-2285INTERCHANGEABLE
ELBOW,TUBE
2108-6
4730-01-253-2881INTERCHANGEABLE
MENDER,HOSE
2-1086-7
4030-01-438-0608INTERCHANGEABLE
SWIVEL AND LINK ASSEMBLY
6169058

Frequently Asked Questions

What is NSN 9540-00-528-8797?

NSN 9540-00-528-8797 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 9540-00-528-8797?

NSN 9540-00-528-8797 has 5 cross-referenced part numbers: 21086 (International Light Metals Corp Sub of Martin Marietta Corp), ASTM B221 (American Society for Testing and Materials Dba Astm International), AMS-QQ-A-200/3 (Sae International Dba Sae International), QQ-A-200/3 (Federal Specifications Promulgated by General Services Administration Washington DC), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc).

What NSN replaces 9540-00-528-8797?

There are 8 known substitutes for 9540-00-528-8797: 5998-00-134-9577, 5360-00-202-0941, 5965-00-247-4886 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21086?

Key specifications for 21086: Basic Shape Style: ANGLE; Base Flange Thickness: 0.125 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 2024; First Tip Style: SQUARE END. 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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