PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

297552Structural Section,special Shape

Aluminum Co of America · NSN 9540-00-492-3619 · FSC 9540 · No Item Name Available
Verified by PartsTable
NSN 9540-00-492-3619 — this item is cataloged by the U.S. Government under National Stock Number 9540-00-492-3619. Primary manufacturer part number: 297552.
Features
  • Structural Section,special Shape — FSC 9540
  • Material: ALUMINUM ALLOY 2024
  • Weight Per Unit Measure: 4.236 POUNDS PER LINEAR FOOT LBS
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY LENGTH
  • Heat Treatment: T-8511 SOLUTION HEAT TREATED
  • Material Document and Classification: AMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
  • Nondefinitive Spec/std Data: T8511 TEMPER
  • Fabrication Method: EXTRUDED
Applications
  • Applications requiring Aluminum Alloy 2024 construction
General Description

The Structural Section,special Shape, cataloged under National Stock Number 9540-00-492-3619, 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 Aluminum Co of America. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9540-00-492-3619
Primary Part Number297552
Item NameStructural Section,special Shape
FSC / FSG9540 / 95 — No Item Name Available
ManufacturerAluminum Co of America
StatusACTIVE
MaterialALUMINUM ALLOY 2024
Weight Per Unit Measure4.236 POUNDS PER LINEAR FOOT LBS
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY LENGTH
Heat TreatmentT-8511 SOLUTION HEAT TREATED
Material Document and ClassificationAMS-QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE
Nondefinitive Spec/std DataT8511 TEMPER
Fabrication MethodEXTRUDED
Length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5845-00-003-491760873-1 INTERCHANGEABLE
Key,polarizing
L3harris Technologies, Inc.
5330-00-180-99921-580-5 INTERCHANGEABLE
Seal,plain
Rexnord Industries, Llc Div Aerospace Solutions Downers Grove
5935-00-910-809811040633-1 INTERCHANGEABLE
Polarizing Key,electrical Connec
Us Army Aviation and Missile Command
2805-01-164-9318324685 INTERCHANGEABLE
Cylinder Head,gasoline Engine
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
3040-01-339-5516324685 INTERCHANGEABLE
Connecting Link,rigid
Brp Us Inc
Cross-Reference Index
Part NumberManufacturer
297552 Aluminum Co of America (USA)
60-8731 Transtar Metals Corp (USA)
324685 Aluminum Co of America (USA)
1MA10222B04 The Boeing Company Div Defense (USA)
AMS-QQ-A-200/3 Society of Automotive Engineers Inc (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)
67553 International Light Metals Corp Sub of Martin Marietta Corp (USA)
Related Parts
5845-00-003-4917INTERCHANGEABLE
KEY,POLARIZING
60873-1
5330-00-180-9992INTERCHANGEABLE
SEAL,PLAIN
1-580-5
5935-00-910-8098INTERCHANGEABLE
POLARIZING KEY,ELECTRICAL CONNEC
11040633-1
2805-01-164-9318INTERCHANGEABLE
CYLINDER HEAD,GASOLINE ENGINE
324685
3040-01-339-5516INTERCHANGEABLE
CONNECTING LINK,RIGID
324685

Frequently Asked Questions

What is NSN 9540-00-492-3619?

NSN 9540-00-492-3619 is a Structural Section,special Shape, manufactured by Aluminum Co of America, classified under FSC 9540 (No Item Name Available). Status: active.

What are the part numbers for NSN 9540-00-492-3619?

NSN 9540-00-492-3619 has 8 cross-referenced part numbers: 297552 (Aluminum Co of America), 60-8731 (Transtar Metals Corp), 324685 (Aluminum Co of America), 1MA10222B04 (The Boeing Company Div Defense), AMS-QQ-A-200/3 (Society of Automotive Engineers Inc) and 3 more.

What NSN replaces 9540-00-492-3619?

There are 5 known substitutes for 9540-00-492-3619: 5845-00-003-4917, 5330-00-180-9992, 5935-00-910-8098 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 297552?

Key specifications for 297552: Material: ALUMINUM ALLOY 2024; Weight Per Unit Measure: 4.236 POUNDS PER LINEAR FOOT LBS; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY LENGTH; Heat Treatment: T-8511 SOLUTION HEAT TREATED. 8 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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