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 5998-01-544-9392
NSN 6130-00-106-9040
NSN 6145-00-027-0146
NSN 5999-01-651-7513
NSN 5999-01-523-4877
NSN 6110-01-485-6853
NSN 6240-00-829-4179
NSN 5835-00-847-7277
NSN 5905-01-322-4901
NSN 5990-01-514-8030
NSN 6150-00-596-8766
NSN 4140-00-038-7577