HDPE Mounting Nut with locking assembly as per picture attached. The mounting is used in the Demineralization mixed bed exchanger spray nozzles. Internal threading of 15/16” Wat pitch The material of construction is HDPVC (or) HDPE suitable for 5 – 10 % H2SO4 (Sulphuric Acid) and De-mineralized water. Quantity required 500 Pcs.