Structural Beam

NSN: 9540-01-456-6379 | Model: MIL-T-81556

A structural shape fabricated from a ferrous or nonferrous material and resembles the following cross-sectional forms: for the letter h, both flanges of the h section are equal or longer than the width measured along the axis of the web; for the letter i, a 16 2/3 percent slope on the inside face of the ferrous type flange, either one or both of the nonferrous type flanges are shorter than the length measured along the axis of the web; for the letters t and z, on nonferrous type, the web is usually at right angles to the flanges. Letter h section may have a of 5 percent slope on the inside face of the flanges.

NSN Properties and Flags

NATO Stock Number

9540-01-456-6379

DEMIL

Fabrication Method

Extruded

Overall Height

2.860 inches

Length

12.000 feet

Left Side Top Flange Thickness

0.870 inches

Right Side Top Flange Thickness

0.870 inches

Basic Shape Style

T shape

Leg Thickness

0.510 inches

Left Side Top Flange Distance To Center Of Both Flanges

1.695 inches

Right Side Top Flange Distance To Center Of Both Flanges

1.735 inches

Fillet Radius Where Top Left Flange Joins Web Flange/leg

0.380 inches

Fillet Radius Where Top Right Flange Joins Web Flange/leg

0.380 inches

Top Flange Width

3.430 inches

First Tip Style

Square w/ inner and outer corner radii

First Tip Inner Radius

0.062 inches

First Tip Outer Radius

0.062 inches

Second Tip Relationship To First Tip

Identical

Third Tip Relationship To Preceding Tips

Identical w/first tip

Right Top Inside Angle

90.0 degrees

Left Top Inside Angle

90.0 degrees

Heat Treatment

Duplex annealed

Material

Titanium alloy, mil-t-81556, comp ab-4

Material

Titanium alloy, mil-t-81556, comp ab-4

Nondefinitive Specification/std Data

Composition 6al-2sn-4zr-2mo and condition duplex annealed

Pricing and Availability

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ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
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HAZMAT Certified
Worldwide Shipping

NSN 9540-01-456-6379 Datasheet

Supply Class (FSC):

Nonferrous Base Metal Structural Shapes

Cross Reference:

MIL-T-81556
CVC10011-1017MP

Cage Codes:

Military Specifications (CAGE 81349)
Triumph Aerostructures, Llc (CAGE 80378)

Identification:

HMIC

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

PMIC

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

NSN Management Codes:

SOS
F59
AAC
J
Quantity per pack
No qup
Unit of Measure
Ft
Shelf Life
N/A
Classification Control
U
MGMT_CTL
-------
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $3,167.50 to $5,279.17..
Does NSN 9540-01-456-6379 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force
What is the NIIN of NSN 9540-01-456-6379?
014566379 or 01-456-6379
Does NSN 9540-01-456-6379 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 9540-01-456-6379?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jun 19, 1998