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 5945-00-343-6631
NSN 6650-01-464-3545
NSN 5895-00-554-4573
NSN 6645-00-614-5302
NSN 5985-01-199-7238
NSN 5960-01-443-9681
NSN 6220-01-418-0383
NSN 5999-01-012-6399
NSN 5999-00-141-7682
NSN 5835-00-904-6272
NSN 6130-00-837-4229
NSN 2925-01-201-3043