BS 6997:1990

Действует

Specification for elastomeric toroidal sealing rings ('O'-rings) manufactured from acrylonitrile-butadiene rubbers complying with BS 6996 — 8 стр.

Ссылочные документы

Действует

Specification for metric dimensions of toroidal sealing rings ('O'-rings) and their housings — 28 стр.

Действует

Specification for dial gauges for linear measurement — 20 стр.

Заменен

Physical testing of rubber, Method for the preparation, mixing and vulcanization of rubber test mixes — 22 стр.

Действует

Mineral oil resistant acrylonitrile-butadiene rubber compounds. Specification — 10 стр.

Заменен

Physical testing of rubber, Method for determination of stiffness at low temperature (Gehman test) — 14 стр.