"Lapp S2121 Skintop Olflex Strain Relief Cord Connector PG21 Threaded, 0.512 - 0.709Inch Dia, Polyamide, "
SKINTOP SL/ SLR is a durable, liquid tight, easy to assemble strain relief cable gland with PG threads that is universally suited for all types of machinery & equipment, including automation, motion control, process control and robotics.
Allied Electronics:
Connector; Cord; Liquidtight; Blk Polyamide; 1.929" L; 0.512-0.709" ID; PG-21 Thread