Kuhn Rikon Lock Nut Fits Models: 3000, 3003, 3005, 3006, 3008, 3040, 3041, 3046, 3047, 3051, 3052 3065, 3069, 3140, 3141, 3142, 3144, 3145, 3147, 3321, 3327, 3341, 3342, 3344, 3880, 3881 & 3882 3065, 3069, 3140, 3141, 3142, 3144, 3145, 3147, 3321, 3327, 3341, 3342, 3344, 3880, 3881 & 3882