Can someone tell me a part # or a suitable replacement for these engine cover bolts on a 5200?

[markele]

 

[keepreal]

On ebay you can find many of this.

 

[fossil]

View attachment 265595

It's a 10-24 captive filister head screw with lock washer. Screw length is 1-1/4" (from under the head to the end.)

PN 530015329