Historical
ISO 6550-1:1994
Road vehicles - Sheath-type glow-plugs with conical seating and their cylinder head housing - Part 1: M14 x 1,25 glow-plugs
Specifies the main characteristics of M14 × 1,25 sheath-type glow-plugs with conical seating and their cylinder head housing, for use with diesel (compression-ignition) engines. Type M14 should not be used for new applications.
International Organization for Standardization [iso]