The ITT CANNON MKJ4A1F9-19S is a robust circular connector within the Trinity MKJ series, designed for applications requiring a breakaway or quick disconnect feature. It is an in-line receptacle with a shell size of 1 and a contact arrangement of 23 contacts of size 19. The aluminum/electroless nickel plating provides excellent corrosion resistance, while the normal polarization (150° 210°) ensures proper mating. Suitable for #22 - #28 AWG wire, this connector is ideal for industrial, military, and aerospace applications where vibration and shock resistance are critical. It meets MIL-STD-1344 vibration and shock requirements and offers EMI shielding effectiveness of 40dB.