O-RING (P/N sa21477) - New Surplus
P/N: sa21477
Category: O-Rings
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 | 6 Available |
Product Description
The SA21477 is an elastomeric O-ring that seals the cylinder base to the crankcase on Continental piston engines. This FAA-PMA replacement for OEM 21477 maintains pressure integrity at the cylinder spigot interface during engine operation. Used on Continental A65, A75, C85/C90, O-200, O-300, and IO/TSIO-360 variants.
Installation requires compatible lubricant and torque procedures per the engine maintenance manual. Verify applicability in the 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 O-RING (P/N sa21477)?
The SA21477 is an elastomeric O-ring that seals the cylinder base to the crankcase on Continental piston engines. This FAA-PMA replacement for OEM 21477 maintains pressure integrity at the cylinder spigot interface during engine operation.
What material is the sa21477 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 O-RING meets aviation specifications for its intended use. Contact us for specific material data.
Can I order the sa21477 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 sa21477.
What is the shelf life of the sa21477?
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 sa21477.
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