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 5990-01-224-8052
NSN 5895-01-008-8842
NSN 5945-00-513-7730
NSN 5996-01-625-7887
NSN 7035-00-252-7467
NSN 6135-01-513-1515
NSN 6220-00-578-6539
NSN 2925-01-026-1000
NSN 5920-01-147-4633
NSN 5835-01-257-0154
NSN 5999-01-392-0874
NSN 5915-01-157-2807