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 5975-01-620-7331
NSN 6150-00-220-5154
NSN 6620-01-431-0706
NSN 2925-01-424-0235
NSN 4140-01-452-2980
NSN 6145-01-282-3464
NSN 7035-01-416-5910
NSN 6240-01-326-5428
NSN 6145-00-152-9954
NSN 6145-01-550-9633
NSN 5960-00-027-5248
NSN 6240-00-269-3346