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 5965-00-882-6949
NSN 5985-01-331-1647
NSN 6610-01-592-4150
NSN 5910-01-652-8456
NSN 5945-01-608-3949
NSN 6145-00-209-3556
NSN 6620-01-160-3475
NSN 6685-00-246-5349
NSN 5835-00-289-9080
NSN 5905-01-622-7674
NSN 5965-00-904-9103
NSN 5999-01-438-5741