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 6685-00-554-3825
NSN 5915-01-400-6125
NSN 6220-01-207-7229
NSN 6105-01-222-4260
NSN 6145-01-112-0397
NSN 6105-01-156-6873
NSN 5990-00-578-8850
NSN 5999-01-539-5113
NSN 6240-01-487-6459
NSN 5999-01-268-1921
NSN 5945-00-551-0747
NSN 5925-01-160-1737