INSERT (P/N 66796p10) - New Surplus

The 66796P10 is a spark plug thread insert for Lycoming aircraft engines, restoring 18 x 1.5 mm threads in cylinder heads. This steel helicoil repair component addresses stripped or damaged spark plug bosses without requiring cylinder head replacement. Installation involves drilling the damaged hole to a larger diameter, installing the threaded insert, and re-tapping for standard spark plug fitment.

Used during cylinder overhaul and maintenance to extend cylinder head service life. Follow Lycoming engine maintenance data and FAA-approved procedures for proper installation.

What is the INSERT (P/N 66796p10)?

The 66796P10 is a spark plug thread insert for Lycoming aircraft engines, restoring 18 x 1. 5 mm threads in cylinder heads.

Does the 66796p10 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The INSERT conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.

What material is the 66796p10 manufactured from?

Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the 66796p10.

Can I order the 66796p10 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The INSERT is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.