found parts
|mainimage=ITT Cannon XLR 3-Pin Female Plug.jpg
|manufacturer=ITT Cannon
|partname=3-Pin Female Plug
|partnumber=XLR311C / 127007-0058 (Global Part #)
|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 3-Pin Male Receptacle and conveys power to the left gauntlet through a single TS style plug which connects to one Alcoswitch/Tyco Pushbutton Switches. This switch ignites the "gas gun" on the left gauntlet.

XLR connector at Wikipedia