3/8 MNPT x 1/2 FNPT Straight Hose Adapter | LoCo Science Thread Size_ 3/4" The 4" x 1

The 4" x 1

Each KF Reducing Adapter 16-40 features a quick flange design for easy assembly with other flanges

and features a 3/4" MNPT thread fitting on one side while the other is a 3/4" MNPT thread fitting

The barb meets ISO-KF standards to fit all fittings and flanges sized at NW/KF-16

All NW/KF-16 flanges that meet ISO-KF standards will fit this NPT-female adapter for your frontline vacuum plumbing and process systems

3/8 MNPT x 1/2 FNPT Straight Hose Adapter | LoCo Science Thread Size_ 3/4" The 4" x 1This Straight Hose Adapter is made out of excellent quality 316L stainless steel, and features a 1 2" FNPT thread fitting on one side while the other is a 3 8" MNPT thread fitting. Sold as individual components.