Screw with washer. Miscellaneous Ford applications.
Thread:15/16"-18.
Lenght: 3/4" (approx. 19 mm).
Head: 1/2" hex.
Superseeds screw 20366-S & spring washer 34806-S.
Original oil pan appearance Ford 289/302/351W.
This is an AMK item, one of several original Ford suppliers.