1.MIL-C-5015 Standard 2.Single pin 3.Aluminium alloy housing 4. 23A 500V MS series circular ... same category each other. Product orderingMS 3106 A 16S - 1 S W 1 2 3 4 5 6 71. Name of series ... , 22, 24, 285. Contacts position type6. Type of contacts: P: pin, S: socket7. Key position: W, X, Y, Z, without note ...