SEAL (P/N 646985) - New Surplus
P/N: 646985
Category: Seals
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 | 11 Available |
Product Description
Part 646985 is an intake valve stem seal for Continental piston engines, identified by NSN 5330-01-666-7278. This elastomeric seal controls oil flow at the valve guide, preventing oil leakage into the combustion chamber during engine operation. Installed on intake valve guides, the seal maintains proper lubrication while blocking excess oil from entering the cylinder.
Installation requires following the applicable Continental engine maintenance manual and verifying compatibility through your aircraft's Illustrated Parts Catalog. Proper sealing prevents oil fouling of spark plugs and maintains engine efficiency.
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 SEAL (P/N 646985)?
Part 646985 is an intake valve stem seal for Continental piston engines, identified by NSN 5330-01-666-7278. This elastomeric seal controls oil flow at the valve guide, preventing oil leakage into the combustion chamber during engine operation.
What material is the 646985 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 SEAL meets aviation specifications for its intended use. Contact us for specific material data.
Can I order the 646985 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 646985.
What is the shelf life of the 646985?
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 646985.
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