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 6645-00-542-1734
NSN 5920-01-253-2173
NSN 6610-01-322-4331
NSN 5990-00-011-2994
NSN 5999-01-054-5566
NSN 6320-01-527-0211
NSN 5855-01-266-1645
NSN 6145-01-096-7053
NSN 5945-01-088-9048
NSN 5998-01-544-1339
NSN 5925-01-257-0455
NSN 5950-00-955-0712