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 4140-01-417-8070
NSN 5945-01-271-7456
NSN 5910-01-477-3514
NSN 5996-01-024-9976
NSN 6105-00-297-3762
NSN 5855-00-228-8446
NSN 6220-00-217-9149
NSN 6130-00-405-0402
NSN 6145-01-221-1874
NSN 6320-01-440-8771
NSN 5920-00-401-0217
NSN 5915-01-422-1679