Historical
SAE J 532-2013 (SAE J532-2013)
Automotive Straight Thread Filler and Drain Plugs
This SAE standard includes complete general and dimensional specifications for those types of filler and drain plugs (shown in figures 1-7 and Tables 1 to 3) having straight threads which are commonly used with gaskets or seals in automotive and related industrial applications.
Society of Automotive Engineers [sae]