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 6240-00-269-9477
NSN 5960-00-809-4207
NSN 5998-01-412-4915
NSN 6220-01-467-9608
NSN 5920-01-216-1981
NSN 5925-01-032-1827
NSN 6320-00-853-1920
NSN 5905-01-035-8761
NSN 5905-01-580-0370
NSN 5950-01-042-7659
NSN 6620-00-229-2728
NSN 5996-01-131-9353