BS A 233-236:1971

Действует

Specification for plain hexagonal thin nut (of Class 3B UNJ thread) — 8 стр.

Ссылочные документы

BS S 139:1968

Отменен

Specification for 1$9H per cent nickel-chromium-molybdenum steel (110/130 kgf/mm$u2 (70/83 tonf/in$u2): limiting ruling section 70 mm (2$9L in)) — 3 стр.

BS HR 650:1972

Заменен

Specification for high expansion heat-resisting steel bar and wire for the manufacture of bolts, studs, set screws and nuts (Ni 25.5, Cr 15, Ti 2, Mn 1.5, Mo 1.25, Si 0.7, V 0.3) (limiting ruling section 20 mm) — 8 стр.