The Maestrini hexagonal 3/4" BSP Parallel female locking nut measures 32mm by 9mm and is rated to 580 psi. Please be aware that if used for through hull applications, the hexagonal locking nut fitting must be correctly electrically bonded in order to prevent corrosion. Brass is not recommended for below the waterline, due to it being susceptible to dezincification. Sold singularly.
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