STD1199 – Lycoming OEM Pin, .187" Diameter x 1.13" Length
Available now on the Airparts.aero Marketplace.
Overview
The STD1199 Lycoming OEM Pin is a precision-ground cylindrical dowel pin designed for use in a variety of Lycoming aircraft engine assemblies, including internal timing components, gear shafts, accessory housings, and bearing retainers. With a diameter of 0.187 inches and a length of 1.13 inches, this pin ensures exact alignment, secure positioning, and rotational stability for engine internals that must maintain critical timing and structural orientation.
Manufactured under Lycoming’s strict OEM tolerances, the STD1199 is a flight-critical fastener component used in both factory production and certified engine overhauls. Constructed from hardened alloy steel, it offers high shear strength, vibration resistance, and long service life under high-stress, high-temperature engine operating environments.
Key Features
- OEM-Certified for Lycoming Engines: Fully compliant with Lycoming engineering and material specifications.
- Precision Fitment: Maintains critical alignment and timing for gears, shafts, and rotating assemblies.
- Hardened Steel Construction: Withstands shear loads and high-temperature exposure within engine environments.
- Flight-Critical Component: Used in assemblies where precision doweling is essential for safety and performance.
- Compact & Versatile: Serves multiple applications within Lycoming engines, from valve train anchoring to accessory drive alignment.
- FAA Approved: Complies with airworthiness standards as an OEM part for certificated engines.
Technical Specifications
- Part Number: STD1199
- Manufacturer: Lycoming (OEM)
- Component Type: Dowel Pin / Alignment Pin
- Diameter: 0.187 inches (3/16")
- Length: 1.13 inches
- Material: Heat-treated alloy steel
- Finish: OEM-standard corrosion-resistant coating
- Application: Internal engine doweling and alignment
- Certification: FAA Approved / OEM Production Standard
Engine Compatibility
Used in:
- Lycoming O-235, O-320, O-360, IO-360, IO-540 series
- Lycoming AEIO, TIO, and HIO variants
- Applications vary based on IPC reference and cylinder or accessory group.
Always reference the official Lycoming Illustrated Parts Catalog (IPC) or consult with a certified A&P technician for exact fitment.
Applications
- Internal Engine Timing Systems
- Gear Housing and Drive Shaft Alignment
- Crankcase Half Indexing
- Camshaft Gear Doweling
- Bearing and Support Retainer Positioning
Why Choose the STD1199 Lycoming OEM Pin?
- Guaranteed Fit and Function: Manufactured to exacting tolerances for flight-critical applications.
- Reliable Under Load: Resists deformation and wear under vibration and engine heat cycling.
- OEM Approved: Lycoming-standard part used in factory-new and overhauled engines.
- Essential for Airworthiness: Maintains engine timing accuracy and component alignment over thousands of flight hours.
Order Your STD1199 OEM Pin Today
Ensure precise alignment and timing integrity within your Lycoming engine.
Order the STD1199 Lycoming OEM Pin today from Airparts.aero for certified quality, fast delivery, and expert aviation support.
The STD1199 Lycoming OEM Alignment Pin provides critical positional accuracy for timing gears, housings, and engine structures within certified aircraft powerplants. Its precision-ground diameter and hardened finish make it essential during engine assembly, overhaul, and repair tasks requiring tight tolerances and long-term reliability. Whether you're building up a Lycoming O-360 or performing maintenance on an IO-540, Airparts.aero is your source for genuine OEM-certified components with expert service and fast fulfillment.
Confirm IPC usage and torque specs. Installation by certified technicians is recommended for airworthiness compliance.
| Specifications | |
|---|---|
| Schedule B | 7318.29.0000 |
| NSN - National Stock Number | 5315-00-298-1838 |
| Cage Code | 80254 |
| ECCN / USML | EAR99 |
| FAA Approval Code | PC |
| 8130-3 Eligible | YES |
| Hazmat(Y/N) | N |
