The Lycoming MES-98S engine stud is a precision-engineered threaded fastener integral to the structural integrity and reliable operation of the Lycoming IO-720 series aircraft engine. This specialized stud plays a crucial role in securing specific components within the engine assembly, ensuring that critical loads are properly distributed and maintained during all phases of engine operation. Its precise dimensions and material composition are vital for resisting the dynamic stresses, vibrations, and thermal cycles inherent in high-performance piston engines, thereby contributing directly to the safety and longevity of the powerplant.
Overview
This Lycoming MES-98S component functions as a critical fastening element within the Lycoming IO-720 engine family. As an engine stud, it is designed to provide a robust and secure connection point for various accessories, covers, or internal structural elements, preventing movement or separation under severe operating conditions. The integrity of each MES-98S stud is paramount to maintaining the engine's designed performance characteristics and preventing potential failures that could compromise flight safety. Its specific location and application within the engine are detailed in the official Lycoming IO-720 Parts Catalog PC-119 and associated Service Instructions.
Specifications
While specific detailed specifications for the MES-98S are proprietary to Lycoming and found within their engineering documents, typical characteristics for such a critical engine fastener include:
AI disclosure: this product description and its specifications were generated with AI assistance from the manufacturer's Illustrated Parts Catalog.
- Stock: Out of Stock
- Manufacturer Part #: MES-98S
- Part#: MES-98S
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Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
- Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
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Need traceability paperwork?
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Shipping
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