Description Description The Haskel 51364 nut is a high-quality component for hydraulic and pneumatic systems. It is made of durable stainless steel and has a hexagonal shape for easy installation and removal. The nut has a thread size of 1/4 inch NPT and a maximum working pressure of 10,000 psi. The Haskel 51364 nut is compatible with various Haskel pumps, valves, and fittings, and can be used for a wide range of applications, such as gas boosting, pressure testing, and fluid transfer. The Haskel 51364 nut is designed to meet the highest standards of performance and reliability, and is backed by a one-year warranty from Haskel. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories