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 5920-00-537-1993
NSN 5950-01-045-3441
NSN 2925-00-442-0974
NSN 5990-01-565-2226
NSN 5855-00-688-9954
NSN 5925-01-634-0664
NSN 6610-01-287-9814
NSN 5950-00-246-7803
NSN 5910-01-282-0017
NSN 6145-00-920-1220
NSN 5985-01-322-9168
NSN 6685-01-417-5502