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 5998-01-444-6723
NSN 5985-01-612-8556
NSN 6610-01-633-8931
NSN 6150-01-051-6489
NSN 6650-01-625-8688
NSN 5985-01-380-2112
NSN 6150-00-471-3212
NSN 6620-00-135-0895
NSN 5935-01-567-2608
NSN 5915-01-338-6208
NSN 6685-01-339-1585
NSN 5960-00-289-6591