Road vehicles — Screened and waterproof spark-plugs and their connections — Types 1A and 1B
STANDARD published on 17.12.1992
Designation standards: ISO 3412:1992-ed.3.0
Publication date standards: 17.12.1992
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: International technical standard
Category: Technical standards ISO
Description / Abstract: Specifies the essential dimensional characteristics of a spark-plug type used with spark ignition engines. Tabulates major, pitch, and minor diameters for plug thread and connector thread. A figure illustrates shapes and reference quantities of concern.