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 5990-00-878-1973
NSN 5905-01-501-1527
NSN 6620-01-414-4578
NSN 5920-00-013-9967
NSN 5855-00-560-0110
NSN 5910-01-196-2080
NSN 5990-00-543-2755
NSN 5945-00-156-4324
NSN 6135-01-545-6582
NSN 5950-01-188-4728
NSN 6105-00-118-1508
NSN 6240-00-155-7900