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 4140-01-300-5352
NSN 5996-01-212-3066
NSN 6135-01-375-6724
NSN 5925-01-164-5148
NSN 6220-01-076-9912
NSN 6110-01-312-5172
NSN 7035-01-375-3719
NSN 6645-01-007-9192
NSN 5910-01-142-2688
NSN 5910-00-566-0648
NSN 6135-01-222-0703
NSN 6150-01-598-5622