ISO 228-1:2000

Действует

Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation — 14 стр.

ICS

21.040.30 Special. Including miniature screw threads, pipe threads, etc. / Специальные резьбы. Включая мелкие резьбы, трубные резьбы и т.д.