A specially shaped fabrication of ferrous or nonferrous bulk material. It has a cross section not conforming to the letters h, i, t, or z.
NSN 4140-01-481-4237
NSN 5996-00-960-9494
NSN 6320-01-086-2602
NSN 5975-01-093-7041
NSN 2925-01-591-4030
NSN 5925-01-473-9197
NSN 5920-00-147-3164
NSN 5985-00-839-5752
NSN 5998-00-421-4130
NSN 5905-01-650-3424
NSN 5975-00-938-3794
NSN 5990-01-426-7350