The 5111374-9 is a universal header assembly connector featuring 40 positions arranged in 2 rows with a 2.54 mm centerline pitch, designed for vertical PCB mounting through-hole termination. This high-temperature connector incorporates AMP-latch ejection latches with red PCT housing and shrouded design for secure mating alignment and polarization control. The connector utilizes square brass phosphor bronze contacts with gold flash over palladium nickel plating in the mating area and tin over nickel plating on solder tails, rated for 1 A maximum contact current and 250 VAC operating voltage. With an operating temperature range of -65°C to +105°C and UL 94V-0 flammability rating, this connector is ideal for industrial control systems, data acquisition equipment, and high-reliability ribbon cable interconnections requiring robust mechanical retention and electrical performance.