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.

Production Information

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