Transition Screw Coupling Arrangement To Rdso[W] Drawing No. Sk-69503. Alt. 11 Along With Its Part Drawing No. Sk-69504. Alt. 10, Wa/Bd-403, Alt. No. 5, And W/Bd-433, Alt. No. 5, Conforming To Irs Specification No. R-9-66 With Corrigendum No. 3 Of Dec. 1988.