1-1/16-12 Female ORB x 3/4" Female NPTF
6420-12-12 is a 1-1/16-12 Female ORB x 3/4" Female NPTF in the 6420 Series. SAE J1926 O-Ring Boss Female Adapter Coupling.
Reference data is for selection and comparison. Actual system rating depends on mating components, assembly, media, temperature, and operating conditions.