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Mil-Spec Connectors

MilSpecWiring.com offers a wide variety of MIL-DTL-38999 II Series Mil-Spec circular connectors. Unlike our competitors, MilSpecWiring offers these connectors in Black Zinc Nickel which is superior to electroless nickel plating and is MIL-DTL-38999, MIL-STD-26482 and AS85049 spec compliant.

Some basic info on these connectors: The 4 digit number in the front signifies what type of connector it is. a 3470 and 3474 will mate with a 3476. A 3470 and 3474 will not mate. The 2 digit number after that is the shell size, which you can use to determine what size backshell you use. The backshell is what you shrink a boot to and what provides an area for strain relief loops. The last number and letter indicate the terminal configuration and type of terminal it uses. S is for Socket and P is for Pin.

For more information on what each shell size and terminal configuration consists of with regards to terminal quantity and size, please refer to our PDF document link below showing all the available terminal configurations.

MIL-SPEC CONNECTOR INFORMATION PDF