3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956 
3M 26137, PPS Series 2.0 Adapter, Type S41, Trapezoidal Thread - QCC, 7100135947 
Insize 4634-3C18, NPT THREAD RING GAGE, 3/8x18NPT, 6928640346972
$503.42
American tapered pipe thread for threads with sealant
Standard ANSI/ASME B1.20.1
Taper 1:16
Material: OHNS (Oil Hardened Non-Shrining Steel)
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