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 6110-01-536-0586
NSN 5985-01-528-8001
NSN 5935-01-618-4683
NSN 6620-01-621-0719
NSN 5930-00-901-2862
NSN 5930-01-432-5366
NSN 6650-00-990-7255
NSN 5990-01-468-1292
NSN 6130-01-094-1502
NSN 6220-00-541-8515
NSN 7035-00-849-5526
NSN 6645-01-517-0259