This SAE Standard specifies the dimensional requirements necessary for the mounting and interchangeability of a type of fuel injector used in diesel engines. Field of Application This document is applicable to a clamp-mounted fuel injector of an integral nozzle and nozzle holder design with a 9.5 mm (nominal) holder shank diameter and deals only with the interface between the injector and the engine. The internal construction of the fuel injector remains optional with the manufacturer.