Products Search by Part Number Products>Airline Equipment>Pressure Regulators>Precision Regulators>IR>IR1000/2000/3000, Mounting Bracket IR1000/2000/3000, Mounting Bracket Bracket for mounting Series IR Precision Regulators. Mounts IR Series Precision Regulators Includes mounting screws (M5 x 35) when ordering for IR 3000. Configuration Options Select Product Options Select values from the drop down lists or make appropriate selections to configure the part number. Series -- Pick an Option -- 1023 (IR1000) 2028 (IR2000) 30-20 (IR3000) Options in: Gray are not compatible with other selected option value. Red conflict with another selected option value. Amber are not recommended.