scope:

This standard applies to newly produced gas appliance connectors constructed entirely of new unused parts and materials, consisting of corrugated tubing depending on all-metal construction for gas tightness, having nominal internal diameters of 1/4, 3/8,1/2,5/8,3/4 and 1 inch, and having fittings at both ends provided with taper pipe threads for connection to a gas appliance and to house piping. This standard covers assembled appliance connectors not exceeding a nominal length of 6 feet.

For the purpose of this standard, an unused connector, including end fittings, is considered to be a connector which has not been installed.

Appliance connectors complying with this standard are considered suitable for use with natural, manufactured, mixed and liquefied petroleum gases and LP gas& mixtures

Appliance connectors complying with this standard are for use with piping systems having fuel gas pressures not in excess of '1/2 pound per square inch (3.5 kPa)