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 4140-01-409-1764
NSN 6685-01-642-8909
NSN 5915-01-579-3196
NSN 6240-01-289-0871
NSN 6320-01-353-9753
NSN 5895-01-054-1437
NSN 5905-00-079-1622
NSN 6645-01-411-5657
NSN 5905-00-427-9332
NSN 5985-00-083-6889
NSN 7035-01-508-0619
NSN 2925-01-098-9549