A range of D-Sub MHDD Series and MHDD-M Series Straight PCB Mount Plug and Socket connectors with stamped steel Tin plated shells with Ø3 mm holes. The Insulator material for these MHDD Series and MHDD-M Series Straight PCB Mount Plug and Socket connectors is UL 94V-0 glass filled Polyester. The Copper alloy, selective Gold over Nickel plated, terminals of these Straight PCB Mount Plug and Socket connectors are manufactured as follows: MHDD Series: 787-3915 stamped and formed pin 9 way 787-3919 stamped and formed receptacle 9 way 787-3928 stamped and formed pin 15 way 787-3921 stamped and formed receptacle 15 way 787-3925 stamped and formed pin 25 way 787-3934 stamped and formed receptacle 25 way MHDD-M Series: 787-3959 machined pin 9 way 787-3953 machined receptacle 9 way 787-3962 machined pin 15 way 787-3965 machined receptacle 15 way 787-3969 machined pin 25 way 787-3978 machined receptacle 25 way