5406 Steel Male NPTF x Female NPTF Reducer SAE J514 140139 Check Part Number A (1) NPTF A (2) NPTF L2 C2 Tap Drill Aeroquip # Parker # 5406-04-02 1/4-18 1/8-27 0.85 0.63 0.33 2081-4-2S 1/4 x 1/8 PTR-S 5406-06-02 3/8-18 1/8-27 0.85 0.75 0.33 2081-6-2S 3/8 x 1/8 PTR-S 5406-06-04 3/8-18 1/4-18 0.85 0.75 0.43 2081-6-4S 3/8 x 1/4 PTR-S 5406-08-02 1/2-14 1/8-27 1.10 0.88 0.33 2081-8-2S 1/2 x 1/8 PTR-S 5406-08-04 1/2-14 1/4-18 1.10 0.88 0.43 2081-8-4S 1/2 x 1/4 PTR-S 5406-08-06 1/2-14 3/8-18 1.10 0.88 0.57 2081-8-6S 1/2 x 3/8 PTR-S 5406-12-02 3/4-14 1/8-27 1.17 1.13 0.33 2081-12-2S 3/4 x 1/8 PTR-S 5406-12-04 3/4-14 1/4-18 1.17 1.13 0.43 2081-12-4S 3/4 x 1/4 PTR-S 5406-12-06 3/4-14 3/8-18 1.17 1.13 0.57 2081-12-6S 3/4 x 3/8 PTR-S 5406-12-08 3/4-14 1/2-14 1.17 1.13 0.70 2081-12-8S 3/4 x 1/2 PTR-S 5406-16-02 1-11 1/2 1/8-27 1.36 1.38 0.33 2081-16-2S 1 x 1/8 PTR-S 5406-16-04 1-11 1/2 1/4-18 1.36 1.38 0.43 2081-16-4S 1 x 1/4 PTR-S 5406-16-06 1-11 1/2 3/8-18 1.36 1.38 0.57 2081-16-6S 1 x 3/8 PTR-S 5406-16-08 1-11 1/2 1/2-14 1.36 1.38 0.70 2081-16-8S 1 x 1/2 PTR-S 5406-16-12 1-11 1/2 3/4-14 1.36 1.38 0.91 2081-16-12S 1 x 3/4 PTR-S 5406-20-04 1 1/4-11 1/2 1/4-18 1.47 1.75 0.43 2081-20-4S 1 1/4 x 1/4 PTR-S 5406-20-06 1 1/4-11 1/2 3/8-18 1.47 1.75 0.57 2081-20-6S 1 1/4 x 3/8 PTR-S 5406-20-08 1 1/4-11 1/2 1/2-14 1.47 1.75 0.70 2081-20-8S 1 1/4 x 1/2 PTR-S 5406-20-12 1 1/4-11 1/2 3/4-14 1.47 1.75 0.91 2081-20-12S 1 1/4 x 3/4 PTR-S 5406-20-16 1 1/4-11 1/2 1-11 1/2 1.47 1.75 1.14 2081-20-16S 1 1/4 x 1 PTR-S 5406-24-06 1 1/2-11 1/2 3/8-18 1.57 2.00 0.57 2081-24-6S 1 1/2 x 3/8 PTR-S 5406-24-08 1 1/2-11 1/2 1/2-14 1.57 2.00 0.70 2081-24-8S 1 1/2 x 1/2 PTR-S 5406-24-12 1 1/2-11 1/2 3/4-14 1.57 2.00 0.91 2081-24-12S 1 1/2 x 3/4 PTR-S 5406-24-16 1 1/2-11 1/2 1-11 1/2 1.57 2.00 1.14 2081-24-16S 1 1/2 x 1 PTR-S 5406-24-20 1 1/2-11 1/2 1 1/4-11 1/2 1.57 2.00 1.48 2081-24-20S 1 1/2 x 1 1/4 PTR-S 5406-32-12 2-11 1/2 3/4-14 1.75 2.50 0.91 2081-32-12S 2 x 3/4 PTR-S 5406-32-16 2-11 1/2 1-11 1/2 1.75 2.50 1.14 2081-32-16S 2 x 1 PTR-S 5406-32-20 2-11 1/2 1 1/4-11 1/2 1.75 2.50 1.48 2081-32-20S 2 x 1 1/4 PTR-S 5406-32-24 2-11 1/2 1 1/2-11 1/2 1.75 2.50 1.72 2081-32-24S 2 x 1 1/2 PTR-S
