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 6320-01-166-3602
NSN 6150-01-388-9965
NSN 6145-01-502-9150
NSN 6645-01-460-4339
NSN 5985-00-621-7587
NSN 5990-00-170-9553
NSN 6220-01-504-6494
NSN 5975-00-841-8774
NSN 6685-00-754-7495
NSN 5930-01-118-5782
NSN 6130-00-775-0310
NSN 2925-00-105-3907