3/4" Cable Glands Nylon Straight NPT 4 Each T B 0.512" to 0.709" Cable Size 169A. Nylon Cable Glands NPT Thread - NPT Thread Cable Glands are watertight and durable. Seal clamp system allows the cord connector to tighten in a circular sequence on the sealing ring to give outstanding strain relief without twisting or damaging the cable Simply push the cable through the liquid tight Nylon strain relief tighten locknut for quick installation Threads into your panel for clearance, locknut included Internal Ratchet with Self-Locking feature protects against vibrations Screw cable glands into NPT Thread (National Pipe Thread). Watertight. ‘Collet’ design of body accommodates various size cords, cables, tubing, etc.. Nylon NPT thread cable glands body material is resistant to most common chemicals solvents. For best results, use the minimum size that fits into your cable. No disassembly required. Made of UL approved NYLON 66, 94V-2 (Black). IP68 Rated Submersible Dustproof. UL Recognized. 94V-2 Flame Rating.