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.