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 5990-01-173-9531
NSN 5935-01-515-4802
NSN 5975-00-578-3959
NSN 5960-00-188-8648
NSN 6685-01-492-5340
NSN 7035-00-981-7216
NSN 5996-00-567-8946
NSN 6110-00-066-9614
NSN 5905-01-312-2905
NSN 6685-01-397-0117
NSN 6130-01-134-3169
NSN 5910-00-615-0889