Thread : 1/8 BSPT Male Thread to 1/4"x 18 NPT Female Thread. Male Thread : 1/8 BSPT. BRASS SUMP PLUG OIL TEMPRATURE SENSOR GAUGE ADAPTER x 1 piece. Female Thread : 1/8"x18 NPT ( 18 TPI ). Thread : M10x1 Male Thread to 1/8"x27 NPT Female Thread.
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