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 5985-01-266-0633
NSN 5975-01-118-1542
NSN 5925-01-193-0171
NSN 6610-00-155-1334
NSN 6645-01-642-3637
NSN 6610-01-308-6148
NSN 5965-01-222-1420
NSN 6220-01-360-9659
NSN 5855-01-075-1292
NSN 6135-00-223-9563
NSN 5905-01-026-3772
NSN 6110-01-116-9440