ISO 9103:1987

Road vehicles — Compression-ignition engines — Screw-in injection nozzle holder, type 23

Specifies dimensional requirements necessary for the mounting of injection nozzle holders in diesel engines. The location of the fuel inlet and leak-off connections are not defined since they vary according to the particular application. A figure illustrates the shape and reference quantities of concern. Preferred shank lengths are given in table 2.