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 6685-01-164-4901
NSN 5998-01-585-4446
NSN 5925-01-249-9066
NSN 5999-00-525-4320
NSN 5920-01-174-8540
NSN 4140-01-417-8070
NSN 4140-00-170-5152
NSN 6685-00-272-5483
NSN 5920-00-341-6340
NSN 6320-00-977-3930
NSN 6145-00-521-0001
NSN 6130-00-900-4758