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 5855-01-508-0821
NSN 5985-00-156-7335
NSN 6645-00-602-5968
NSN 5905-01-241-7184
NSN 5920-01-355-1432
NSN 6145-01-036-3661
NSN 6145-01-012-2557
NSN 4140-00-170-5152
NSN 6220-00-512-9472
NSN 5990-01-177-2838
NSN 5965-01-445-3564
NSN 2925-01-386-7392