HAWKER 25UN613 Nose Landing Gear Plunger Ring HS125-1A

( Brand: Hawker ), ( Manufacturer Part Number: 25UN613 ), ( Part Type: Ring Gear )

Review HAWKER Nose Landing Gear Plunger Ring

The Hawker 25 UN613 HS125-1A Nose Landing Gear Plunger Ring is an essential component of the landing gear system in your Hawker 25 or HS125-1A aircraft. This part plays a critical role in the smooth and efficient operation of the landing gear, ensuring a safe and secure landing.

The plunger ring is a circular component, typically made of high-strength steel or other durable materials, that fits inside the nose landing gear cylinder. Its primary function is to provide a seal between the cylinder and the gear leg, preventing hydraulic fluid from leaking out during ground operation and ensuring proper pressure for the gear extension and retraction.

The UN613 variant of this part is specifically designed for the Hawker 25 and HS125-1A models. It features an external diameter of approximately 3.9 inches (99.1 mm) and an internal diameter of approximately 3.2 inches (81.3 mm). The plunger ring's thickness varies, depending on the specific application, but it typically ranges from 0.6 to 0.8 inches (15.2 to 20.3 mm).

The surface of the plunger ring may be finished with a hard anodized coating or other protective treatments to enhance its durability and resistance to wear and corrosion. This coating also provides a smooth surface that facilitates the proper sealing action.

When it comes time to replace the nose landing gear plunger ring on your Hawker 25 or HS125-1A, it's essential to use an authentic and high-quality part like the UN613 HS125-1A Nose Landing Gear Plunger Ring. Installing a subpar or incorrect part could result in hydraulic fluid leaks, improper gear extension or retraction, and compromised aircraft safety.

In summary, the Hawker 25 UN613 HS125-1A Nose Landing Gear Plunger Ring is a crucial component that ensures the safe and efficient operation of the landing gear system in your Hawker 25 or HS125-1A aircraft. It is essential to use a high-quality, authentic part like the UN613 for optimal performance and safety.

The Hawker 25UN613 HS125-1A nose landing gear plunger ring is an essential component for the proper functioning of the landing gear system in a Hawker 125-1A business jet. Here are some pros and cons that may help you decide whether to purchase this part:

1. Ensures safe landing: A worn-out or damaged plunger ring can compromise the landing gear system, making it difficult to land safely. Replacing this part with a new one can help ensure the safety of the aircraft and its occupants.

2. Improves aircraft performance: A properly functioning landing gear system allows the aircraft to land and take off efficiently. A worn-out plunger ring can cause drag, which can affect the aircraft's overall performance.

3. Compatibility: The Hawker 25UN613 HS125-1A nose landing gear plunger ring is specifically designed for the Hawker 125-1A model, ensuring a perfect fit and compatibility.

4. High-quality materials: This part is made of high-quality materials that can withstand the rigors of frequent use in a business jet environment.

1. Cost: Replacing a landing gear plunger ring can be an expensive repair. The cost of the part itself, as well as the labor involved in installing it, can add up.

2. Downtime: The time required to remove the old plunger ring, install the new one, and perform any necessary tests and inspections can result in significant downtime for the aircraft.

3. Complex installation: Installing a nose landing gear plunger ring can be a complex process that requires specialized knowledge and tools. It is not a task that can be easily done by an untrained person.

In conclusion, while the Hawker 25UN613 HS125-1A nose landing gear plunger ring is an essential component for the safe and efficient operation of a Hawker 125-1A business jet, its high cost and complex installation process can make it a difficult decision for some operators. However, given the importance of a properly functioning landing gear system, it is recommended that this part be replaced as needed to ensure the safety and performance of the aircraft. It is also important to work with a reputable supplier and installation facility to ensure that the part is installed correctly and that any necessary inspections and tests are performed.

Details:

25UN613 Hawker HS125-1A Nose Landing Gear Plunger Ring: Details about this unit. Local pick-up is also available in Greeley, CO, or Bates City, MO. Part Number: 25UN613. 90-Day Money-Back Guarantee: Guaranteed to work and pass your inspection, or money back.

BAS does not undervalue merchandise or mark items as ts. Positive Overall Condition. With more than 95,000 listings, over 72,000 items sold, and new inventory arriving almost daily, BAS operates at a level few in aviation can match. A complete business or residential delivery address is required.

part #: 25un613 prices

• $196.00-$840.00

specifications aviationpar:

• brand: Hawker
• mpn: 25un613
• part type: Ring Gear

shipping aviationpar:

• type: Fixed
• service: UPS Ground
• cost: $15.00
• carrier: UPS
• class: Standard
• transit: 2-4 Days

returns aviationpar:

• paid by: Seller
• policy: Returns Accepted
• time: 60 Days

payments aviationpar:

• wallet: Paypal
• credit card: Discover
• other

general aviationpar:

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

seller aviationpar:

• rating: 99.9%
• city: Greeley, Colorado
• # reviews: 18887

offer aviationpar:

• best offers: True
• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• started: May 19, 2026

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