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 4140-00-517-7902
NSN 5925-01-460-3584
NSN 5925-01-564-4645
NSN 5925-01-542-2523
NSN 6220-01-108-7280
NSN 6645-01-592-0540
NSN 6135-01-434-6308
NSN 5835-01-160-7282
NSN 5950-01-333-6541
NSN 4140-00-222-2186
NSN 5975-01-576-4048
NSN 5835-01-247-2634