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 6645-00-222-2785
NSN 6130-01-228-2028
NSN 5920-00-314-6870
NSN 5996-00-468-1874
NSN 5905-01-203-9009
NSN 4140-01-425-1725
NSN 5950-01-349-9864
NSN 5996-01-212-1132
NSN 5990-01-400-3299
NSN 2925-01-448-2880
NSN 5915-01-156-5703
NSN 6620-00-413-4695