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 6130-01-116-2571
NSN 5975-01-368-3828
NSN 6220-01-621-9991
NSN 5920-01-612-0524
NSN 7035-01-381-6185
NSN 6650-01-027-3632
NSN 6110-00-153-0936
NSN 5935-01-099-9164
NSN 6105-00-851-1983
NSN 5835-00-554-0399
NSN 6145-00-419-9943
NSN 7035-00-465-3298