LS497-2

View detailed technical data, stock status, and sourcing information for: LS497-2
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Federal Supply Group

Metal Bars, Sheets, and Shapes

Federal Supply Classification

9540 Nonferrous Base Metal Structural Shapes

National Stock Number

9540-00-251-2681

Item Name Code

37018

Assigment Date

12/14/1966 (59 years ago)

A structural shape fabricated from a ferrous or nonferrous material and has a flange extending usually at right angles in the same direction from each edge of a web and/or resembling the letter u in cross-sectional form.

0.125 inches nominal left side top flange thickness, extruded fabrication method, 1.500 inches nominal overall height, 10.000 feet minimum and 12.000 feet maximum length, 0.125 inches nominal right side top flange thickness

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Fabrication Method: extruded
Overall Height: 1.500 inches nominal
Length: 10.000 feet minimum and 12.000 feet maximum
Left Side Top Flange Thickness: 0.125 inches nominal
Right Side Top Flange Thickness: 0.125 inches nominal
Basic Shape Style: t shape
Leg Thickness: 0.125 inches nominal
Left Side Top Flange Distance To Center Of Both Flanges: 1.187 inches nominal
Right Side Top Flange Distance To Center Of Both Flanges: 1.188 inches nominal
Fillet Radius Where Top Left Flange Joins Web Flange/Leg: 0.125 inches nominal
Fillet Radius Where Top Right Flange Joins Web Flange/Leg: 0.125 inches nominal
Top Flange Width: 2.375 inches nominal
Weight Per Unit Measure: 0.570 pounds per linear foot
First Tip Style: square end
Second Tip Relationship To First Tip: identical
Third Tip Relationship To Preceding Tips: identical w/first tip
Right Top Inside Angle: 90.0 degrees nominal
Left Top Inside Angle: 90.0 degrees nominal
Heat Treatment: t-3511 solution heat treated
Material: aluminum alloy 2024
Material Document And Classification: ams-qq-a-200/3 fed spec single material response
Nondefinitive Spec/Std Data: 2024 alloy and t3511 temper

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
9540-00-074-3043	No Name Available	11/01/1972

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
LS497-2	Structural Beam

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 9540-00-251-2681?

The FSCG of the NSN 9540-00-251-2681 is 9540

Does the NSN 9540-00-251-2681 have a Schedule B code assigned?

Yes, the Schedule B code is 7610900040

Does NSN 9540-00-251-2681 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 9540-00-251-2681 contain precious materials?

Item does not contain precious metal.

Does NSN 9540-00-251-2681 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 9540-00-251-2681 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Dec 14, 1966