found parts
|manufacturer=ITT Cannon
|partname=5-Pin Male Plug
|partnumber=XLR512C / 127007-0052 (Global Part #)
|price=$5.00 - $6.00
|available=Readily available.
|character=Boba Fett
|usedfor=Jet Pack greeblie seen on the underside of Pre-Production #1 & Preproduction #3.
|info=This plug connects to the ITT Cannon XLR 5-Pin Female Receptacle and conveys power to the right gauntlet through two plugs which then connect to two Alcoswitch/Tyco Pushbutton Switches. One switch in this power loop ignites the jet pack smoke effect, while it is believed the other turns on/off the lamp in the end of the right gauntlet.

XLR connector at Wikipedia