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 5910-01-643-2051
NSN 5910-01-265-4689
NSN 5935-01-484-9341
NSN 5960-01-573-6483
NSN 5920-01-006-9821
NSN 5835-00-466-8544
NSN 6610-01-625-2926
NSN 6620-01-511-5352
NSN 5960-01-515-4791
NSN 6220-01-140-4110
NSN 6320-01-631-7828
NSN 6620-01-187-0880