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 4140-00-643-0115
NSN 6610-01-064-5792
NSN 6620-00-383-8740
NSN 2925-01-400-2286
NSN 5960-01-428-7300
NSN 5905-01-009-4442
NSN 6110-01-520-4858
NSN 5998-01-338-6001
NSN 5990-01-474-3477
NSN 7035-01-471-0475
NSN 5945-01-003-5742
NSN 6150-01-370-1356