315A1890-1 Cup Lockwasher

315A1890-1 Cup Lockwasher

The Boeing Company

Part # 315A1890-1

The Cup Lockwasher (Part Number: 315A1890-1) is used in hydraulic actuators, providing a secure locking mechanism to prevent loosening due to vibration. Its cup shape distributes load evenly, enhancing reliability and performance in aviation applications.
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Overview

The Cup Lockwasher, designated as part number 315A1890-1, is a critical component used in hydraulic actuators within aircraft systems. This part is designed to provide a secure locking mechanism that prevents loosening due to vibration and dynamic loads. The unique cup shape of the washer allows it to distribute load evenly, enhancing the reliability and performance of the hydraulic actuator. Its robust construction ensures durability and longevity, making it an essential element in maintaining the integrity of hydraulic systems in aviation applications.

Features & Benefits

• Designed specifically for use in hydraulic actuators
• Cup shape provides superior load distribution
• Prevents loosening due to vibration and dynamic forces
• Durable construction for long-lasting performance
• Lightweight design suitable for aerospace applications

BENEFITS
• Enhances the reliability of hydraulic systems
• Reduces maintenance needs by preventing component failure
• Improves overall safety of aircraft operations
• Facilitates easy installation and replacement
• Contributes to the efficiency of hydraulic actuator performance

Specifications

• Part Number: 315A1890-1
• Application: Used in hydraulic actuators

Technical Information

ATA Number

78

ATA Chapter

Exhaust

ATA Group

Power Plant

ATA Section

THRUST REVERSER SYSTEM

Lead Time (Days)

148

Certification Status

CERTIFIED

ATA Part Number

315A1890-1

CAGE Code

81205

Commercial Part

Yes

Harmonized Tariff Schedule Code

7318210090

Repairable

No

Specification Part Number

315A1890-1

Supplier Part Number

315A1890-1

Landing Gear Part

No

Leasable

No

Returnable

Yes

Aircraft Makes

Boeing

Aircraft Models

737-900ER
737-400SF
737MAX-9BBJ
BBJ 737-700
737MAX-9
737MAX-8200
35 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.