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 5990-01-623-0082
NSN 5905-00-406-6651
NSN 6135-01-633-8502
NSN 5835-00-792-8438
NSN 5985-01-168-3405
NSN 6645-01-119-3496
NSN 6620-01-481-1358
NSN 5910-00-539-3131
NSN 6620-01-352-5640
NSN 5965-01-633-8849
NSN 6320-01-457-2805
NSN 5950-00-288-1812