Infinite Ammo
04312CB4 60000000
Rapid Fire [Black_Wolf]
C252DCA8 00000002
3D200000 61290000
91364020 00000000
I tested them few months ago and they Worked. I forgot to report them. I have other Cod:WAW cheat codes but I don't remember if they worked:
-Moon Jump
281B66A0 00000008
04727BEC 42C80000
E0000000 80008000
Infinite Ammo/All Weapons
04727E5C 0001FFF0