GASKET (P/N 653981) - New Surplus
P/N: 653981
Category: Gaskets
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| New Surplus | 18 Available |
Product Description
The 653981 is a nonmetallic gasket that seals the mounting interface between Continental generator/alternator units and engine blocks. This gasket limits oil leakage at the charging system connection on Continental IO-520 series engines equipped with Prestolite or Crittendon alternators. Replace the gasket each time the alternator is removed during maintenance.
Torque all fasteners per the engine manufacturer's specifications to ensure proper seal integrity. Note: This part has been superseded by SA629436 (alternate part numbers 629436, 649978). Verify compatibility with your aircraft's Illustrated Parts Catalog before installation.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the GASKET (P/N 653981)?
The 653981 is a nonmetallic gasket that seals the mounting interface between Continental generator/alternator units and engine blocks. This gasket limits oil leakage at the charging system connection on Continental IO-520 series engines equipped with Prestolite or Crittendon alternators.
What material is the 653981 made from?
Aircraft seals and O-rings are manufactured from various elastomers including nitrile (Buna-N), fluorocarbon (Viton), silicone, and PTFE depending on the application. The GASKET meets aviation specifications for its intended use. Contact us for specific material data.
Can I order the 653981 in bulk quantities?
Yes, we stock seals and gaskets in quantity and offer bulk pricing. Submit a Request for Quote (RFQ) for volume orders, or call (904) 998-9101 for immediate quantity availability on the 653981.
What is the shelf life of the 653981?
Elastomeric seals have manufacturer-specified shelf lives that vary by material and storage conditions. We follow industry standards for cure date tracking and proper climate-controlled storage. Contact us for shelf life details on the 653981.