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 6685-00-079-3307
NSN 6610-01-595-2847
NSN 6610-00-520-1837
NSN 6645-01-407-8326
NSN 6645-01-277-0530
NSN 5975-01-536-8546
NSN 5985-00-135-0790
NSN 6620-00-224-3479
NSN 5975-00-849-7922
NSN 5950-00-208-6812
NSN 5960-01-374-3527
NSN 4140-01-508-0889