ISO 18082:2014 specifies the dimensions, the allocation and marking of non-interchangeable screw-threaded (NIST) connectors intended to be used at operating pressures up to 1 400 kPa, and for vacuum systems at pressures not greater than 60 kPa absolute.
ISO 18082:2014 specifies NIST connectors intended for use with the following medical gases:
- nitrous oxide;
- medical air;
- carbon dioxide;
- specified mixtures of the gases listed above;
- oxygen-enriched air;
- air for driving surgical tools;
- nitrogen for driving surgical tools;
- use with vacuum.