SIKORSKY S14-40-3049 Nos Chickasaw Lock Ring S-55 H-19 5365-00-245-4973

( Brand: Sikorsky ), ( Manufacturer Part Number: S14-40-3049 ), ( Part Type: Ring Lock )

Review SIKORSKY Nos S-55 H-19 Chickasaw Lock Ring Pn

The Sikorsky S-55 H-19 Chickasaw helicopter is a legendary rotorcraft known for its versatility and reliability in various applications, including search and rescue, medical evacuation, and utility roles. One essential component of this helicopter is the Lock Ring 5365-00-245-4973, a critical part of the main rotor system, specifically designed for the Sikorsky S-58T and S-58B models, but also compatible with the S-55 H-19.

This Lock Ring, manufactured by Sikorsky Aircraft Corporation under part number 40-3049, is a vital safety feature that ensures the secure connection of the rotor blades to the hub. It is made of high-strength material, designed to withstand the extreme loads and stresses encountered during helicopter operations. The Lock Ring's unique design features an external thread that engages with the corresponding internal thread on the rotor blade. This threaded interface provides a positive mechanical connection, ensuring the rotor blades remain securely attached to the hub during flight.

The Lock Ring 5365-00-245-4973 is a replacement part, designed for use when the original component wears out or becomes damaged. This part is precision-machined to ensure a perfect fit and function. Each Lock Ring is rigorously inspected and tested to meet the stringent quality standards set by Sikorsky Aircraft Corporation.

Installing the Lock Ring is a critical maintenance task that requires careful attention to detail. It is recommended that this task be performed by a qualified and experienced helicopter maintenance professional to ensure the safety and reliability of the helicopter. Proper installation of the Lock Ring involves careful alignment of the components, application of the appropriate sealing compound, and torqueing of the Lock Ring to the specified torque value.

The Lock Ring 5365-00-245-4973 is an essential component of the Sikorsky S-55 H-19 Chickasaw helicopter. It plays a critical role in maintaining the safety and reliability of the helicopter during flight. Proper maintenance and replacement of this component as needed will help ensure the continued safe and efficient operation of this legendary rotorcraft.

Pros and Cons of Buying a Sikorsky S-55 H-19 Chickasaw Lock Ring (Part No. 5365-00-245-4973)

The Sikorsky S-55 H-19 Chickasaw is a versatile and iconic helicopter that has been in service for over six decades. One essential component of this helicopter is the lock ring (Part No. 5365-00-245-4973), which plays a crucial role in the helicopter's main rotor system. In this article, we will discuss the pros and cons of buying this specific lock ring for your Sikorsky S-55 H-19 Chickasaw.

1. OEM Part: This lock ring is an original equipment manufacturer (OEM) part, which means it is designed, manufactured, and tested by the original manufacturer, Sikorsky Aircraft Corporation. This ensures that it fits perfectly and functions as intended.

2. High Quality: OEM parts are known for their superior quality, durability, and reliability. This lock ring is no exception, as it is made from high-strength materials and manufactured to tight tolerances.

3. Long-Term Savings: While the upfront cost of an OEM part may be higher than aftermarket alternatives, the long-term savings can be significant. OEM parts are less likely to fail prematurely, reducing the need for frequent repairs and replacements.

4. Peace of Mind: Purchasing an OEM part, such as this lock ring, provides peace of mind knowing that you are using a genuine and authentic component that meets the highest safety and performance standards.

1. Cost: The primary disadvantage of buying an OEM part is the cost. This lock ring may be more expensive than aftermarket alternatives due to the higher manufacturing and testing costs associated with OEM parts.

2. Limited Availability: OEM parts may not be readily available from local distributors or suppliers, requiring you to order directly from the manufacturer or an authorized dealer. This could result in longer lead times and additional shipping costs.

3. No Immediate Performance Benefit: Unlike some upgrades or modifications, there is no immediate performance benefit to installing an OEM lock ring. Its primary function is to maintain the helicopter's structural integrity and prevent component failure.

In conclusion, purchasing a Sikorsky S-55 H-19 Chickasaw Lock Ring (Part No. 5365-00-245-4973) as an OEM part comes with both advantages and disadvantages. While the upfront cost may be higher, the long-term savings, high quality, and peace of mind offered by an OEM part make it a worthwhile investment for your Sikorsky S-55 H-19 Chickasaw helicopter.

If you are an operator or owner of a Sikorsky S-55 H-19 Chickasaw helicopter, we recommend purchasing the OEM lock ring (Part No. 5365-00-245-4973) as a replacement when necessary. This will ensure the continued safe and reliable operation of your helicopter, providing peace of mind and long-term savings.

Details:

NOS USGI surplus,: LOC F1-A2S-B3-S4-C2: surplus.

part #: s14403049 price

• $15.99

specifications aviationpar:

• brand: Sikorsky
• mpn: S14-40-3049
• part type: Ring Lock

shipping aviationpar:

• transit: 5-11 Days
• carrier: FedEx, USPS
• cost: $18.11
• class: Standard, Expedited
• type: Calculated
• service: FedEx Ground / FedEx Home Delivery, USPS Ground Advantage, USPS Priority Mail, USPS Priority Mail Flat Rate Envelope

returns aviationpar:

• paid by: Buyer
• policy: Returns Accepted
• time: 14 Days

seller aviationpar:

• city: Ogden, Utah
• # reviews: 11453
• rating: 98.2%

offer aviationpar:

• best offers: True
• availability: In Stock
• sold: 0
• started: August 8, 2025
• options: Ship-to-home

general aviationpar:

• Parts Accessories > Aviation Parts Accessories > Parts
• condition: Used

payments aviationpar:

• credit card: Visa
• wallet: Google-pay
• other

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