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 4140-01-133-9011
NSN 6220-01-568-9999
NSN 6645-01-257-2856
NSN 5990-00-785-1876
NSN 5990-01-565-2226
NSN 6220-01-500-2188
NSN 5960-01-367-0981
NSN 5925-00-026-4781
NSN 2925-01-011-8732
NSN 4140-01-343-4808
NSN 6685-01-243-1265
NSN 6220-01-260-7994