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 4140-01-285-7854
NSN 5975-01-391-9576
NSN 5925-01-184-6912
NSN 6645-01-133-8359
NSN 5985-01-503-6432
NSN 5925-00-758-5128
NSN 5975-00-308-5138
NSN 5999-01-464-0591
NSN 5960-01-641-3788
NSN 5960-00-359-7768
NSN 5925-00-170-4090
NSN 5915-01-499-5242