وصف: Rider Ring
General Electric (CF6-80A, -80A2 when Hamilton Sundstrand P/N 773857-xx or 802157-xx is installed. CF6-80C2B1, -80C2B2, -80C2B4, -80C2B6, -80C2B1F, -80C2B2F, -80C2B4F, -80C2B5F, -80C2B6F, -80C2B7F when Hamilton Sundstrand P/N 790270-xx or 802170-xx is installed)
Pratt & Whitney (JT9D-7R4D, -7R4E, -7R4E4 when Hamilton Sundstrand P/N 773857-xx or 802157-xx is installed, PW4052, PW4056, PW4060A, PW4062 when Hamilton Sundstrand P/N 790270-xx or 802170-xx is installed)