304C-06 is a solid cap for a 3/8 inch JIC 37 degree male fitting. It closes an unused connection to help prevent fluid leakage and protect the sealing surface from dirt and damage.

• JIC tube size: 3/8 inch
• Thread size: 9/16 inch 18
• Connection: JIC 37 degree female cap
• Configuration: Solid cap
• Typical use: Temporary or permanent closure during equipment assembly, storage, maintenance, and repair

Inspect the cap and mating flare before installation and tighten according to the equipment manufacturer’s specifications.