The 5/16-24 Joint Industry Council Cap Nut fitting use a 37-degree flare fitting designed to seal, protect, and cap unused JIC male-threaded connections in high-pressure hydraulic and fluid systems. Manufactured to SAE J514 and ISO 8434-2 standards, it ensures a reliable, leak-free metal-to-metal seal in demanding applications. This cap nut prevents contamination, debris ingress, and mechanical damage when JIC male fittings are not in use, ensuring system integrity and longevity.

Link to Midland Industries Catalog