These throttle shaft bushings are installed into NAY9E1 carburetors installed on Pratt & Whitney R-1340 series engines. Presently the original equipment manufacturer no longer supports the NAY9E1 carburetor, and new throttle shaft bushings are no longer available on the surplus market.
Applicable Components: NAY9E1
Applicable Engines: Pratt & Whitney R-1340-40, -47, -48, -48A, -49, -51, -52, -57, -59, -61, -AN1, -AN2, -AN3, -S1H2, -S1H4
Part Numbers Produced: ST-P20148, ST-P20148-1, ST-P20148-2
Part Numbers Replaced: P20148, P20148-1, P20148-2