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 6130-01-111-8731
NSN 5998-01-058-5710
NSN 5990-01-380-6121
NSN 6240-01-197-8491
NSN 6110-01-501-9558
NSN 5998-01-598-1851
NSN 6645-01-571-1234
NSN 5945-01-163-8683
NSN 5935-01-145-4944
NSN 5920-00-491-9163
NSN 5975-00-526-4701
NSN 5999-01-113-9146