api 5000API 6A - TYPE - 6B 34.5 MPA (5000 PSI). Size. B. OD. C. (MAX.) K. P. E. T. Q. X. BC. N. H 2) RING GASKET ACCORDING TO API 6AOver two days and 500 plasma sample injections, the API 5000™ system demonstrates excellent reproducibility and stability for the response of the compound and internal standard. =