Bulkhead Water Tank Fitting,1" Npt Female Thread,304 Stainless Steel, 2 Pcs The partition parts are forged and cast from solid stainless steel, which is corrosion-resistant, rust-proof and has a long service life. The size is 1" female thread NPT connector. Stainless steel partition joints are commonly used in water tanks, water towers, water inlets and outlets, self-made water storage buckets, rain buckets, and can also be used for various pipes, hoses, pipe fittings or faucets. Product Features Size:1" NPT female threaded,the actual diameter of 1" thread is 1.31 inch,NPT thread size is not the actual diameter, it is only nominal pipe size. Bulkhead fitting are made of stainless steel, which is corrosion-resistant, rust-proof and has a long service life. Note:The lock nut is Left-hand thread,and the external thread is used for the lock nut and cannot be connected to the pipe. Wide range of uses:commonly used in water tanks, water towers, water inlets and outlets, self-made water storage buckets, rain buckets, and can also be used in various pipes, hoses, pipe fittings or faucets. Bulkhead OD 41mm, suitable for about 42mm ID hole. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!