Need to connect a 1/4” NPT male fitting to a standard 3/8”-24 low-pressure (LP) port on a regulator first stage or LP accessory setup? The XS Scuba AC923 makes it simple by converting a standard scuba LP connection into a 1/4” NPT female interface—perfect for a wide range of diving and topside applications.

Built from chromed brass for durability and corrosion resistance, this adapter is commonly used in surface-supplied/PSD setups and gear configurations involving umbilicals, switch blocks, communications equipment, and pneumatic tools. Designed for low-pressure use only (below 200 psi).

Key Features

Converts 3/8”-24 UNF male to 1/4” NPT female

Chromed brass construction for long service life

Ideal for surface-supplied umbilicals, switch blocks, comm gear, and pneumatic tools

Low pressure only – below 200 psi

Specs

Part Number: AC923

Threading: 1/4” NPT Female x 3/8”-24 UNF Male

Material: Chromed brass

Pressure Rating: LP use only (below 200 psi)

Important: This adapter is NOT for high-pressure ports or high-pressure applications.