National Item Identification Number
01-270-0813
012700813
9540-01-270-0813
9540012700813
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)
97942
Reference Numbers (Part Numbers)
638R436H02
Required Categories
MATERIAL
FABRICATION METHOD
SURFACE TREATMENT
LENGTH
BASIC SHAPE STYLE
OVER
Required Description
ALUMINUM ALLOY, QQ-A-250/8
COLD ROLLED
OXIDE FILM, MIL-C-5541
63.080 INCHES N