Copper/nickel alloy, 70 percent copper, 30 percent nickel.
NSN 5999-01-027-0177
NSN 5835-00-111-3419
NSN 5996-01-537-1999
NSN 5835-01-209-6410
NSN 6240-00-438-6999
NSN 5915-01-099-4153
NSN 5950-01-168-2358
NSN 5855-01-580-0645
NSN 5960-01-536-6398
NSN 5999-01-365-1226
NSN 5950-01-557-8199
NSN 6320-01-629-1277
Last Updated: 08/06/2025