19 8158111-370 LCKG PIN ASSY “A” (13/16”) 1
20 8000111-370 LCKG PIN ASSY “B” (15/16”) 1
21 8100111-370 LCKG PIN ASSY “C” (1-1/16”) 1

and In another catalog, I see:

#19 – LOCKING PIN ASSEMBLY “A” (3/4”)   = 8158111-370