4-2271287-1 is a 1.27mm pitch vertical type SCSI receptacle connector with hook designed for PCB mounting applications. This 36-position connector features PBT UL94-V0 black housing and spacer, phosphor bronze contacts with 10µ" gold plating over 50µ" nickel, and a zinc alloy shell with nickel plating over copper. The connector is rated for 200V AC voltage, 1A current, and withstands 500V AC for 1 minute, with an operating temperature range of -55°C to +85°C. It includes M2.6 threaded mounting hardware and lead-free tin solder area plating, making it suitable for high-reliability SCSI interface applications in computing and data storage systems.