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 5895-00-166-7989
NSN 6240-01-076-5231
NSN 5915-01-525-6504
NSN 5930-00-581-6188
NSN 5855-01-461-8169
NSN 5925-01-505-3478
NSN 5855-01-020-7982
NSN 7035-01-042-0527
NSN 5985-00-116-8450
NSN 5960-00-539-7914
NSN 5930-00-518-2738
NSN 6135-01-168-2944