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Part # MS28775-225
O-RING
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MCSK172-1F
SEAL KIT, Nose Strut, Cessna
$78.47 / was $85.28
Product Details
Specifications
- Approval
- Condition
- New
- Manufacturer
- Hardware
- Dimensions
- L: 4.5 x W: 3 x H: 0.25 in
- Weight
- 0.0625 lbs
- Unit of Measure
- Each
- McFarlane Part Number
- MS28775-225
Application
Universal Part
Universal part. Sizing customizable to fit your needs.
Product Description
Also available as part of the convenient Nose Strut Seal Kits which include the components required to service a Cessna nose strut.
WARNING: Cancer and/or Reproductive Harm - California Proposition 65 Resources
Eligible Aircraft
| Make | Model | Start S/N | End S/N | Eligibility Chart |
|---|---|---|---|---|
| Many Many | Many | S/N 0 – ZZZZZZZZZZZZZZZ | ZZZZZZZZZZZZZZZ | Eligibility Chart |
Cross Reference
Reference only: Please verify this product is appropriate for your use case before adding to your cart.
-
AN6230B3
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AN6230-B3
FAQs
Why did my Cessna nose strut seal fail?
Strut seal leaks and flat struts can be caused by roll or twist of the main O-ring seal. It is very frustrating to carefully check all the parts and surfaces and put a new seal kit in the strut only to find it flat again after a relatively short time. We have seen this happen when a film of MIL-5606 hydraulic fluid dries out on the exposed chrome strut shaft. MIL-5606 by nature has a tendency to get sticky as it is exposed to air and dirt and then dry.
Very slight dried oil films are sometimes hard to detect and they can get past the plastic wiper seal. When this happens the sticky strut has a tendency to grab the O-ring and roll or twist it when the strut slides in or out causing the seal to distort. A very small O-ring twist or distortion will cause a leak. This phenomena is aggravated by the low pressure that the Cessna strut is designed for. Wipe the chrome strut down with Stoddard solvent (mineral spirits) periodically to soften and remove any dried oil film, dirt, dust and bugs.
Should I use a sealer or lubrication for my Viton gaskets?
The Viton gasket and screw seals do not require any sealer and must not have any lubricants. Do not over tighten the attachment screws as over tightening can extrude the gasket out from under the transmitter and tear the gasket in the screw holes. This will cause a leak. Tighten the screws evenly until you see the gasket just start to extrude a little. Any lubrication will aggravate the tearing of the gasket.