Requirements for gasoline dispensing nozzles used with motor vehicles.

The following requirements apply for any nozzle installation used for dispensing gasoline into motor vehicles: (a) Nozzles must meet the following hardware specifications: (1) The outside diameter of the terminal end must not be greater than 21.3 mm. (2) The terminal end must have a straight section of at least 63 mm. (3) The retaining spring must terminate at least 76 mm from the terminal end. (b) The dispensing flow rate must not exceed a maximum value of 10 gallons per minute. The flow rate may be controlled through any means in the pump/dispenser system, as long as it does not exceed the specified maximum value. [88 FR 4718, Jan. 24, 2023]