Autometer Adapter, Straight, 5/8"-18 Female to 1/2" MPT, Aluminum, Red (Mechanical Temperature Gauges) SKU ATM-2273 $15.47 Quantity discounts available QuantityPrice (0)No Reviews yet Number of Pieces Item Custom Price Quantity -+ Add to Cart Details 5/8"-18 UNF Female (adapts directly to sealing nut on AutoMeter Mechanical Temp Gauges) to 1/2-1/16" NPT Male Details Back Details5/8"-18 UNF Female (adapts directly to sealing nut on AutoMeter Mechanical Temp Gauges) to 1/2-1/16" NPT Male Ratings & ReviewsNo reviews availableBe the first to Write a Review