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 6220-01-555-7860
NSN 6645-00-300-0401
NSN 6135-00-851-8575
NSN 6220-01-138-1622
NSN 6320-00-701-0437
NSN 5998-01-472-3224
NSN 5855-01-003-7102
NSN 5930-01-476-2031
NSN 5895-01-503-7246
NSN 5925-01-187-4640
NSN 6145-00-394-9120
NSN 5996-01-073-2332