Pacific Scientific 2000 psi gauge. Please refer to the following for more information:... Overall Depth: 2.312... Overall Diameter: 1.218... Material: Alumnium... Graduation Units: 1000 Psi... Dial Size: 1.218... Connection Size: 7/16-20... Part Number 6901-815. NSN 6685-00-764-0127. Buyer Pays Shipping. We accept...