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 6620-01-032-3937
NSN 6610-00-116-5725
NSN 5930-01-327-6721
NSN 2925-01-400-2286
NSN 4140-01-127-0032
NSN 5975-00-454-6683
NSN 6320-01-384-7079
NSN 5990-01-254-3197
NSN 6110-01-487-4532
NSN 5965-01-420-6613
NSN 6220-01-255-0258
NSN 6135-01-570-4284