Flex-proof Cable Glands: UL-certified nylon 66. Flame resistant: 94V-2. ... PG and Metric thread. Product name: Flex-proof Cable Glands.Material: Nut, Locknut and Body are made from UL- ... oC , maximum instantaneous temperature up to 120 oC.Specifications: PG7,PG9,PG11,PG13.5,PG16,PG21. M12, M16, M18, ... electromechanical control panel and other instruments. Flex-Proof Cable Glands (PG and Metric Thread)