SS5406-P Stainless Steel Male NPTF Hex Head Plug SAE J531 130109E Check Part Number A NPTF L2 C2 Aeroquip # Parker # SS5406-02P 1/8-27 0.56 0.44 259-2082-2 1/8 HP-SS SS5406-04P 1/4-18 0.75 0.56 259-2082-4 1/4 HP-SS SS5406-06P 3/8-18 0.85 0.69 259-2082-6 3/8 HP-SS SS5406-08P 1/2-14 1.10 0.88 259-2082-8 1/2 HP-SS SS5406-12P 3/4-14 1.17 1.13 259-2082-12 3/4 HP-SS SS5406-16P 1-11 1/2 1.36 1.38 259-2082-16 1 HP-SS SS5406-20P 1 1/4-11 1/2 1.47 1.75 259-2082-20 1 1/4 HP-SS SS5406-24P 1 1/2-11 1/2 1.57 2.00 259-2082-24 1 1/2 HP-SS SS5406-32P 2-11 1/2 1.75 2.50 259-2082-32 2 HP-SS