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 5915-01-264-9257
NSN 5996-01-305-1728
NSN 5998-01-487-6620
NSN 6620-00-632-3631
NSN 5998-00-468-2507
NSN 5998-00-509-5069
NSN 6610-01-119-7873
NSN 5965-01-170-9891
NSN 6150-01-415-5568
NSN 5950-01-332-3696
NSN 6220-01-367-5537
NSN 5835-01-346-1386