National Item Identification Number

01-478-3318
014783318
9540-01-478-3318
9540014783318

National Stock Number

Item Name

BEAM,STRUCTURAL

Federal Supply Class

9540

Description

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 maximum of 5 percent slope on the inside face of the flanges.

Commercial and Government Entity Code (Supplier Data)

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82340

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82340

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Reference Numbers (Part Numbers)

120550
120550-2

Required Categories

MATERIAL
FABRICATION METHOD
LENGTH
SPECIAL FEATURES
III END ITEM IDENTIFICAT

Required Description

STEEL
ANY ACCEPTABLE
18.000 INCHES NOMINAL
EK MOD 4 BOOM ASSY
TICONDEROGA CL