totally lost !!!!

hi all been working on military landrovers for far too long but have just come up with a new one for me ?
i have a coolant temp sensor with the plug in and clip too hold it harness.
the clip has gone ? so the plug keeps vibrating loose any chance of there being a part number for the clip ? or is it either a new harness just for a clip or carry out an expeadiant repair ?

any help is good help