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 5975-01-592-9077
NSN 2925-00-596-9775
NSN 5935-01-550-5572
NSN 6610-00-082-8620
NSN 6650-01-386-5787
NSN 6135-01-518-9813
NSN 5999-01-435-8850
NSN 6610-00-166-0233
NSN 5999-01-125-9354
NSN 5990-00-518-3195
NSN 4140-00-230-4252
NSN 6645-01-359-7875