Hi Guys, Need some help understanding, Documentation History, API 6A 19th ed. Annex L. page 377 note. The sharp vee thread is specified in API BUL 5A october 1944, Table 9. this document is still valid in desigining gages. Page
378 ref dimensions for 2 1/16 out. Now API 5B 14th, page 42, 52, 54...