Throttle Shaft Screw
Jacobs (R-755A1, -755A2M, -755A2M1, -755B1, -755B2, -755B2M, -755E, Military R-755-7, L-4, L-4M, -4MA, -4MA7, -4MB (R-755-9)
L-5, L-5MB, L-6, L-6M, -6MA, -6MB (R-915-5, -7)
-6MBA (R-915-3))
Pratt & Whitney (Wasp Jr. B-4, B-5, SB, SB-2, SB-3, TB, TB-2, T1B, T1B2, T1B3, T3A, Military R-985-AN-1, -AN-3, -AN-14B, Wasp R-1340-59, -61, S1H1, S1H1-G, S1H2, S1H4, S3H1, S3H1-G, and, Military R-1340-AN-1, -AN-2 (Engines with applicable Stromberg Carburetor P/Ns NA-R7, NA-R7A, NA-R9A, NA-R9B, NA-Y9E1))
Textron Lycoming (R-680E1, E2, E3, E3A (R-680-9)
E3B (R-680-13))
Wright Aeronautical (R-760, A, B, D, E, R-760E-1, -2, -T, R-760-2, -4, -8, R975, A, B, D, E, R-975E-1, -2, -3, -F)