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 6650-01-322-1963
NSN 6685-01-027-1168
NSN 5925-01-120-8756
NSN 5910-01-325-1124
NSN 5945-01-323-3877
NSN 6610-00-219-4150
NSN 2925-01-602-1975
NSN 6620-01-371-5040
NSN 6645-01-415-3341
NSN 5895-01-026-1702
NSN 5990-00-110-1153
NSN 4140-01-067-8242