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 6620-00-328-8690
NSN 6645-00-435-5610
NSN 5905-01-129-0539
NSN 5895-01-310-8659
NSN 5920-01-225-0440
NSN 6150-01-575-9064
NSN 6240-01-007-4516
NSN 5975-01-050-5728
NSN 5960-01-605-9921
NSN 5998-01-076-3531
NSN 6610-01-548-0130
NSN 6620-00-596-1951