BS 4929-2:1973

Отменен

Specification for steel hexagon prevailing-torque type nuts, Unified (inch) series — 14 стр.

Ссылочные документы

Действует

Unified screw threads, Screw threads with diameters below $9D in. Requirements — 24 стр.

Действует

Specification for subsoil and requirements for use — 30 стр.

Заменен

Specification for pipe threads for tubes and fittings where pressure-tight joints are made on the threads (metric dimensions) — 22 стр.