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 5990-00-602-9750
NSN 5920-01-260-7606
NSN 5835-00-148-9719
NSN 6620-00-555-3992
NSN 5985-01-604-1384
NSN 4140-00-567-9291
NSN 6220-01-467-8321
NSN 4140-01-547-5589
NSN 5985-01-438-3786
NSN 5920-00-004-6372
NSN 4140-00-296-9695
NSN 2925-01-320-6512