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 5910-00-356-8331
NSN 5999-00-911-3775
NSN 6685-00-105-9896
NSN 5999-01-021-5673
NSN 6145-01-285-8953
NSN 5975-01-393-1095
NSN 5895-01-191-1554
NSN 6620-01-163-1613
NSN 5965-01-424-0542
NSN 5998-01-426-8597
NSN 5910-01-475-9388
NSN 5935-00-159-9942