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 6135-01-520-8392
NSN 6620-00-492-4936
NSN 7035-01-566-8130
NSN 5835-00-532-5910
NSN 4140-01-508-7067
NSN 6610-01-519-8953
NSN 5925-01-263-3846
NSN 5915-01-568-4700
NSN 2925-00-612-3262
NSN 6620-00-193-9503
NSN 5950-01-058-5265
NSN 6220-01-087-7755