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 6610-00-925-0935
NSN 5855-00-221-9435
NSN 4140-01-608-0199
NSN 6110-01-384-8629
NSN 6150-01-456-3045
NSN 6220-01-234-7809
NSN 5960-01-170-5932
NSN 5895-01-531-4920
NSN 5990-00-853-7853
NSN 5960-00-569-9534
NSN 5998-00-472-2601
NSN 6135-00-738-5571