Features and Benefits:�Trivalent zinc plating for durability and resistance to corrosion�exceeds 72-hour salt spray test�Straight fitting for applications where having no angle to the fitting makes it easier to reach�7/8" hex size�Overall length of 1-5/16"�3/8" NPTF threading with giant button head for rugged applications1822-A1 Features: -Features dirt excluding plunger check valve. -For rugged applications such as heavy machinery or contractor's equipment. Features dirt excluding plunger check valve. -Body Material: Metal. -Shape: Straight. Generic Dimensions: -Similar to standard button head fittings except larger (0.875'' diameter) to withstand the roughest usage. -Depth: 41.83'' - 77.51'', 0.13 lb. Dimensions: Overall Product Weight: -0.13 Pounds.