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 6130-00-872-1990
NSN 5925-01-085-0860
NSN 6650-00-056-1581
NSN 5920-01-422-4151
NSN 5915-01-510-9763
NSN 2925-01-376-9236
NSN 6320-00-553-8427
NSN 5905-00-504-8586
NSN 6610-00-972-0869
NSN 6135-01-659-7653
NSN 5905-00-247-9308
NSN 5985-01-194-1000