It has something to do with carrying an illegal concealed firearm. Most concealed gun laws I've found have a -050 ending.
.050 inch.050 inch
.050 inch.050 inch
.050 inch.050 inch
.050 inch.050 inch
.050 inch.050 inch
.050 inch.050 inch
it means stay fresh
.125 is thicker than .050
316/.050 = 2320
.050 inch.050 inch
A cross reference of a Kohler oil filter 52 050 02Read more: A_cross_reference_of_a_Kohler_oil_filter25-050-27