The 71-266612-03S is a PT06 series miniature cylindrical straight plug, designed for reliable connections in general duty and environmental applications. This connector features a shell size of 12 with a durable aluminum shell and resilient neoprene inserts for high dielectric strength and moisture sealing. It utilizes a secure 3-point bayonet coupling with 5 key/keyway polarization to prevent mis-mating. Key dimensions for this shell size include a maximum length of 1.609 inches and a V thread of .7500-20 UNEF for backshell accessories. This high-reliability connector is ideal for use in military, aerospace, industrial control, and instrumentation equipment.