2531 1/2-3/8, 1/2" MBSPP x 3/8" Female BSPP Bushing

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Connection 1 1/2" Male BSPP
Connection 2 3/8" Female BSPP
Material Nickel Plated Brass
1/2" MBSPP x 3/8" Female BSPP Bushing, Nickel Plated Brass