The Ermeto DIN tube to tube hydraulic tube fittings from Parker are leak free and can work under high pressures.
Bulkhead / Compression Fittings / Connectors / Hydraulic - Flowtech
1/2 x 24 JIC 10F Swivel x JIC 10F Swivel SAE 100R16 Hydraulic Hose Assembly 4000 PSI NRP Jones, Hydraulic Hose Assemblies, Hydraulic Hose and Hose Assemblies, Hydraulics
Parker Hannifin P8MC8 Fast & Tite Polypropylene Male Connector Fitting, 1/2 Compression Tube x 1/2 Male NPTF, Black: : Industrial & Scientific
10143-16-16 Parker 43 Series Applications
M1616W6B-XXS Parker Instrumentation, Adapter Fitting
Parker Hannifin P8MC8 Fast & Tite Polypropylene Male Connector Fitting, 1/2 Compression Tube x 1/2 Male NPTF, Black: : Industrial & Scientific
PARKER Bulkhead Union SV from PARKER HANNIFIN
Parker - Hydraulic Hose Male SAE 37 ° JIC Rigid Fitting: 0.625″ ID, 10 mm, 1-1/16-12 - 66463100 - MSC Industrial Supply
M10MBC1/2N-S - A-LOK Metric Tube NPT Male Bulkhead Connector - MBC
Parker Hannifin P8MC8 Fast & Tite Polypropylene Male Connector Fitting, 1/2 Compression Tube x 1/2 Male NPTF, Black: : Industrial & Scientific
hydraulic fitting in All Categories in Canada - Kijiji Canada
Hydraulic Fittings, Hydraulic Adapter
SV10L, SV10LCF, Parker Ermeto, Bulkhead union - 10L cone end, complete with nut and ring, galvanized steel