Industrial 0304C-10 Hydraulic Cap And Plug Combo Fitting

The 0304C-10 / 2408-10 Hydraulic Cap & Plug Combo Fitting is a JIC 37° flare cap and plug assembly designed to seal and protect exposed hydraulic connections in high‑pressure systems during maintenance, transport, or storage. Commonly installed in hydraulic hose assemblies, pumps, cylinders, valves, and mobile equipment used in construction, agriculture, and industrial machinery, it provides temporary or permanent sealing for JIC 37° flare connections. Key specs include: Dash Size #10, Nominal Tube Size 5/8 in, Thread Size 7/8"-14 UNF, Cap Part Number 0304C-10, Plug Part Number 2408-10, Material Carbon Steel with a zinc‑plated corrosion resistant coating, and Connection Type Female JIC Cap / Male JIC Plug. It complies with SAE J514 and is suitable for high‑pressure hydraulic systems. Use cases span hydraulic hose and tube end sealing where leak prevention and contamination protection are essential, in systems designed for JIC 37° flare hydraulic connections. Common alternate part numbers 240810 and 0304C10; common replacements Parker 304C-10 JIC 37° Solid Cap, Parker 2408-10 JIC 37° Tube Plug, Eaton Aeroquip FF9761-10 Hydraulic Cap & Plug Kit.