Hi, Do you know which unit / air guard they belong to? Regards, Oscar yes :mrgreen: 1-106 AvnRgt/IL-NG 77-22720,79-23292,79,23329,81-23568,82-23669,82-23698,88-26053,89-26145 1-189 MedCo/SD-NG 77-22722,78-22980,81-23622 Hope this helps PS : to bad for me 81-23568,81-23622,82-23669,88-26053,89-26145...