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No. of STCs: 13

STC Holder: National Aircraft Sales Inc 2425 Burbank Street, Dallas, TX 75221, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE217SW	Status: Historical	App Date:	Rev Date:
Description: Conversion of crankcase 82862 to R-1830-92 configuration.
TC Nos.: 5E-4
Models: Pratt & Whitney DivisionR-1830 Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: National Aircraft Sales Inc 2425 Burbank Street, Dallas, TX 75221, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE217SW	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Conversion of crankcase 82862 to R-1830-92 configuration.
TC Nos.: 5E-4
Models: Pratt & Whitney DivisionR-1830 Series
ACO: AIR-760: Central Certification Branch FTW

STC Holder: National Aircraft Sales Inc 2425 Burbank Street, Dallas, TX 75221, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE300SW	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Conversion of Pratt & Whitney gear47669 or gear 96669 to LHL88738.
TC Nos.: 5E-5, 5E-4
Models: Pratt & Whitney DivisionR-1830 Series, R-2000 Series
ACO: AIR-760: Central Certification Branch FTW

STC Holder: National Aircraft Sales Inc 2425 Burbank Street, Dallas, TX 75221, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE300SW	Status: Historical	App Date:	Rev Date:
Description: Conversion of Pratt & Whitney gear47669 or gear 96669 to LHL88738.
TC Nos.: 5E-5, 5E-4
Models: Pratt & Whitney DivisionR-1830 Series, R-2000 Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: National Aircraft Sales Inc 2425 Burbank Street, Dallas, TX 75221, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE32SW	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Oil pump housing.
TC Nos.: 5E-8, E-264
Models: Pratt & Whitney DivisionDouble Wasp CB Series, R-2800 Series
ACO: AIR-760: Central Certification Branch FTW

STC Holder: National Aircraft Sales Inc 2425 Burbank Street, Dallas, TX 75221, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE32SW	Status: Historical	App Date:	Rev Date:
Description: Oil pump housing.
TC Nos.: 5E-8, E-264
Models: Pratt & Whitney DivisionDouble Wasp CB Series, R-2800 Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: National Aircraft Sales Inc 2425 Burbank Street, Dallas, TX 75221, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SEW-3	Status: Historical	App Date:	Rev Date:
Description: Modification of crankshafts and reidentification according to their respective counterweight dampers.
TC Nos.: E-231, E-264
Models: Pratt & Whitney DivisionDouble Wasp CB Series, Double Wasp Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: National Aircraft Sales Inc 2425 Burbank Street, Dallas, TX 75221, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SEW-3	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Modification of crankshafts and reidentification according to their respective counterweight dampers.
TC Nos.: E-231, E-264
Models: Pratt & Whitney DivisionDouble Wasp CB Series, Double Wasp Series
ACO: AIR-760: Central Certification Branch FTW

STC Holder: National Aircraft Sales Inc 2425 Burbank Street, Dallas, TX 75221, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SEW-5	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Ni-resist valve guide LGL 4700.
TC Nos.: 5E-4, E-186
Models: Pratt & Whitney DivisionR-1830 Series, Twin Wasp Series
ACO: AIR-760: Central Certification Branch FTW

STC Holder: National Aircraft Sales Inc 2425 Burbank Street, Dallas, TX 75221, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SEW-5	Status: Historical	App Date:	Rev Date:
Description: Ni-resist valve guide LGL 4700.
TC Nos.: 5E-4, E-186
Models: Pratt & Whitney DivisionR-1830 Series, Twin Wasp Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: National Aircraft Sales Inc 2425 Burbank Street, Dallas, TX 75221, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SEW-8	Status: Current	App Date: 05/01/1961	Rev Date: 11/24/1961
Description: Modification to push rod housing assemblies.
TC Nos.: E-231, TC 5E-4, TC 5E-8
Models: Pratt & Whitney DivisionDouble Wasp R2800-97, Military R-1830 Series, Military R-2800 Series
ACO: AIR-760: Central Certification Branch FTW

STC Holder: National Aircraft Sales Inc 2425 Burbank Street, Dallas, TX 75221, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SEW-8	Status: Historical	App Date:	Rev Date:
Description: Modification to push rod housing assemblies.
TC Nos.: 5E-8, 5E-4, E-186, E-231
Models: Pratt & Whitney DivisionDouble Wasp Series, R-1830 Series, R-2800 Series, Twin Wasp Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140

STC Holder: National Aircraft Sales Inc 2425 Burbank Street, Dallas, TX 75221, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SEW-8	Status: Historical	App Date:	Rev Date: 01/01/1960
Description: Modification to push rod housing assemblies.
TC Nos.: 5E-8, 5E-4, E-186, E-231
Models: Pratt & Whitney DivisionDouble Wasp Series, R-1830 Series, R-2800 Series, Twin Wasp Series
ACO: Ft. Worth ACO Branch, Tel: +1 (817) 222-5140