21¼" Casing Hanger Assembly

Casing hanger, SSMC, 21"1/4 NOM. x 13"3/8 72 LB/FT Tenaris blue box bottom, 18.250-2TPI Stub acme LH External running thread, Extended slick neck for upper add-on spool with 4 off flow - by slots, API 6A 19th.Edition PSL3 material class: AA,DD-NL TEMP. CLASS: K,L,P,S,T,U MATERIAL: 2-1/4 CR 85KSI;