Thread : 1/8"x28 BSP Male Thread to 1/8"x28 BSP Female Thread. Thread : 1/4"x19 BSP Male Thread to 1/8"x27 NPT Female Thread. BRASS SUMP PLUG OIL TEMPRATURE SENSOR GAUGE ADAPTER x 1 piece. Male Thread : 1/4"x19 BSP ( 19 TPI ).
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