CD SERIES: Caplugs CD Series Threaded Plastic Caps are protective, red-colored covers that are constructed from LD-PE (low-density polyethylene) and specifically designed for JIC fittings, sealing exceptionally well against dirt and moisture. They can also be used for masking during painting and plating applications.

VARIOUS THREAD SIZES: To best accommodate your specific project’s needs, Caplugs CD Series Threaded Plastic Caps for Flared JIC Fittings are available in 30+ different sizes, with measurements listed for thread sizes ranging from 1/4"-36 threads per inch through 3"-12 threads per inch. This product can fit Thread Size 9/16"-18 threads per inch.

KNURLED DESIGN: For ease of installation and removal, Caplugs CD Series Threaded Plastic Caps for Flared JIC Fittings are designed with knurls, or projecting ridges, on their sides. The knurls allow a firm grip on the caps, ensuring that they can be quickly screwed onto and off the fitting.

NAS 832 COMPLIANT: Caplugs CD Series Threaded Plastic Caps for Flared JIC Fittings meet NAS (National Aerospace Specification) 832. NAS standards are used worldwide when building aerospace systems and equipment to ensure consistency and to optimize performance and efficiency.