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FAA Engineering Approvals

S & T Aircraft is capable of producing numerous different types of parts through our repair station all of which have been approved by the FAA for installation in your aircraft components. Here we have listed the parts which we are actively producing to complete overhauls and repairs for your aircraft accessories, along with the required Instructions for Continued Airworthiness and information for other repair stations who may encounter our parts in your components.

NAY9E1 Carburetor Throttle Shaft Bushings

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

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Fuel Pump Bearings

These bearings are installed into PESCO, Air Tractor and Donallco Fuel Pumps installed on various aircraft and engines. Presently the original equipment manufacturer no longer supports these fuel pumps and new bearings are no longer available on the surplus market.

Production Information

Applicable Components: Please click the button below for more information.

Applicable Engines/Aircraft: Please click the button below for more information.

Part Numbers Produced: ST-R400-10, ST-R400-61BA, ST-R600-10, ST-R600-87A

Part Numbers Replaced: R400-10, R400-61BA, R600-10, R600-87A

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