256A3743-1 Coupling Seal

The Boeing Company

Part # 256A3743-1

The 256A3743-1 coupling seal is designed for the P-8A aircraft's flap actuation system. It enhances reliability by preventing fluid leakage, ensuring smooth flap operation in various conditions. Its robust construction and precise engineering optimize performance for critical flight operations.
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Overview

The 256A3743-1 coupling seal is engineered for the flap actuation transmission of the P-8A aircraft. This essential component ensures effective sealing within the flap actuation system, enhancing the overall reliability and performance of the aircraft. With robust construction and precise engineering, it delivers optimal functionality across several operational conditions, preventing fluid leakage and ensuring smooth flap operation during flight.

Features & Benefits

Features
  • Designed specifically for the P-8A aircraft's flap actuation system.
  • Engineered for effective sealing performance to prevent fluid leakage.
  • Constructed to withstand diverse operational conditions for excellent durability.
Benefits
  • Enhances the reliability of the flap actuation system.
  • Contributes to overall aircraft performance and safety.
  • Reduces maintenance needs by preventing fluid loss and system failures.

Technical Information

ATA Number

11,
27

ATA Chapter

Placards and Markings
Flight Controls

ATA Group

Aircraft General
Airframe Systems

ATA Section

Interior Placards
General
TRAILING EDGE FLAP SYSTEM

NIIN

016489039

NSN

4730-01-648-9039

FSCG

4730

FSCG Category

Hose, Pipe, Tube, Lubrication, and Railing Fittings

Lead Time (Days)

145

Certification Status

CERTIFIED

ATA Part Number

256A3743-1

Commercial Part

Yes

Harmonized Tariff Schedule Code

3926904590

Repairable

No

Specification Part Number

256A3743-1

Supplier Part Number

256A3743-1

Landing Gear Part

No

Leasable

No

Returnable

Yes

Aircraft Makes

Boeing

Aircraft Models

737-700
737NG-900
737MAX-10
737-800
737NG-800
737NG-900ER
30 more

Shipping Details

ITAR Compliant

No

Part Explosive

No

ECCN

9A991.d

Dry Ice

No
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Commercial Spares
Product information provided "as is", and Boeing may add, change, discontinue or remove product information at any time. Product photos may not be exact match to product delivered. See terms & conditions.