BS 919-2:1971

Заменен

Specification for screw gauge limits and tolerances, Gauges for screw threads of Whitworth and BA forms — 34 стр.

Заменен на

BS 919-2:2007

ICS

21.040.20 Inch. Including Whitworth screw threads / Дюймовые резьбы. Включая резьбы Витворта