SAE J1172
SAE J1172 1977-MAY-01 Engne Flywheel Housngs wth Sealed Flanges Recommended Practce
1. Scope--This SAE Recommended Practice defines flywheel housing flange configurations for applications requiring "O" ring sealing of the flange pilot bore.
Table 1 and Figure 1 show dimensions that are different from those in SAE J617. All other dimensions and tolerances of SAE J617 apply.