National Item Identification Number
01-274-2978
012742978
9520-01-274-2978
9520012742978
National Stock Number
Item Name
BEAM,STRUCTURAL
Federal Supply Class
9520
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)
Reference Numbers (Part Numbers)
Required Categories
MATERIAL
BASIC SHAPE STYLE
OVERALL HEIGHT
TOP FLANGE WIDTH
FIRST TIP STYLE;
Required Description
STEEL, MIL-S-22698
J4 T SHAPE
2.690 INCHES NOMINAL
5.000 INCHES NOMINAL
1 SQ