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.
NSN 6240-01-544-6359
NSN 6620-01-105-5770
NSN 5930-01-567-7829
NSN 6240-01-332-6892
NSN 5990-01-307-4489
NSN 6135-01-659-5393
NSN 5915-01-147-3023
NSN 5975-00-148-8499
NSN 6685-00-070-4329
NSN 6220-01-432-0089
NSN 5998-01-541-6803
NSN 4140-01-538-7532