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.
| CSA Group | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ISO 3412:1992 |
| Product Name | Road vehicles - Screened and waterproof spark-plugs and their connections - Types 1A and 1B |