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 5915-01-415-2477
NSN 5960-01-446-4446
NSN 6320-01-476-7702
NSN 5915-01-145-2148
NSN 6150-00-127-4035
NSN 5920-01-469-6025
NSN 5975-01-200-7059
NSN 6645-01-212-9474
NSN 5855-01-232-6883
NSN 5998-01-234-9372
NSN 5998-01-224-7402
NSN 5965-01-053-1758