In the international standard classification, psi port involves: Aerospace fluid systems and components.
Society of Automotive Engineers (SAE), psi port
SAE AS5551A-2010 Fitting Assembly - 24Degree Cone Flareless per AS5827, 5080 psi, Port Connection Port Preparation, Installation and Removal of AS5550 and AS5865
SAE AS5551-2005 Fittling Assembly - 24° Cone Flarelss per AS5827, 5080 psi, Port Connection Port Preparation, Installation and Removal of AS5550 and AS5865
SAE AS5368D-2014 FITTING ASSEMBLY@ ADAPTER �C RING LOCKED PORT CONNECTION TO FLARED TUBE END@ 3000 PSI
SAE AS4202A-2015 Adapter - Port Connection, Ring Locked Design, Installation and Removal of 8000 psi Systems
SAE AS5368B-2007 (R) ADAPTER ASSEMBLY - PORT CONNECTION RING LOCKED TO FLARED TUBE END, 3000 PSI