Tube Fittings Union Union (SU) Reducing Union (SRU) Bulkhead Union (SBHU) Bulkhead Reducing Union (SBHRU) Union Cross (SUC) Connector Male Connector (SMC) Female Connector (SFC) Bulkhead Male Connector (SBMC) Gauge Connector (SGC) Male Connector ISO Bonded Washer (SGMC) Elbow Union Elbow (SUE) Male Elbow (SME) 45 Positional Male Elbow (SPHME) Positional Male Elbow (SPME) Female Elbow (SFE) Tee Union Tee (SUT) Male Branch Tee (SMBT) Positional Male Branch Tee (SPMBT) Male Run Tee (SMRT) Positional Male Run Tee (SPMRT) Female Branch Tee (SFBT) Female Run Tee (SFRT) Tube Connector Reducer (SR) Bulkhead Reducer (SBR) Male Adapter (SMA) Female Adapter (SFA) Port Connector (SPC) Reducing Port Connector (SRPC) AN Tube AN Flare (SAF) AN Union (SAU) AN Adapter (SAA) O Ring Seal SAE Male Connector (SSMC) Male SAE Straight Thread O Seal (SOSC) Weld End Socket Weld Connector (SSWC) Socket Weld Elbow (SSWE) Plug & Cap Plug (SP) Cap (SC) Spare Part Nut (SN) Ferrule Set (SFS) Insert (SI) Vent Protector (SVP)