The MS3114E12-3P is a jam nut receptacle connector conforming to MIL-C-26482 Series I specifications, designed for general-purpose industrial and military applications requiring quick-disconnect capability with fixed solder-terminated contacts. This shell size 12 connector accommodates 3 contacts in a #20 wire size configuration, supporting wire sizes 12 through 24 AWG with solder termination. The connector features a grommet seal (Class E) for environmental protection and is rated for contact currents up to 7.5 A per contact with a millivolt drop less than 55 mV. Operating voltage ratings reach 1000 VAC (rms) at sea level service rating 2, with a maximum operating voltage of 1000 VAC at sea level service rating 2. The jam nut receptacle design enables secure panel mounting with quick-disconnect functionality, making it ideal for aerospace, industrial control, and military equipment applications where reliable, repeatable connections are essential.