FCI D-Subminiature Snap Together Plastic Hood Two piece snap-together hoods for use with d-type subminiature connectors. These black cable mount snap-together hoods are made from nylon (apart from stock number 740-1270 which is thermoplastic), and have a straight cable exit with a screw fixing cable clamp strain relief. The jack screws for these plastic hoods have an M3 thread and grey caps, apart from stock number 740-1270 which has a 4.40 UNC thread.