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 5915-01-424-6958
NSN 6145-01-115-4543
NSN 5855-00-185-1560
NSN 6620-00-479-9425
NSN 5998-01-425-4756
NSN 5905-01-424-8965
NSN 5910-00-783-5372
NSN 5855-01-053-0679
NSN 5996-01-425-1455
NSN 6650-01-633-9147
NSN 6320-01-506-9439
NSN 5915-01-469-8502