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 5975-01-346-5540
NSN 2925-01-448-2880
NSN 5925-01-316-3362
NSN 5985-01-582-1927
NSN 6645-00-391-6264
NSN 4140-01-168-8720
NSN 5990-01-548-5979
NSN 6685-01-045-3558
NSN 4140-01-299-7704
NSN 5990-01-395-4194
NSN 6240-01-175-1101
NSN 5996-01-061-6894