Product Description

Lockplate used on Lycoming engines to secure a 0.250 inch bolt with 1.75 inch spacing in engine hardware assemblies.

0 1. Overview

Part number 73817 is supplied as a lockplate associated with Lycoming engines and is identified for use with a 0.250 inch bolt at 1.75 inch spacing. It is provided as a factory new OEM engine hardware component within a dedicated lockplate family. An alternate vendor variant identified as SL73817 is described as a lock plate used at the magneto idler position, confirming its role in locking hardware in a specific engine location. The part is grouped with Lycoming lockplates for engine service and overhaul, indicating its selection for securing bolted joints that require a positive mechanical locking feature.

0 2. Key Features

  • Factory new OEM Lycoming lockplate
  • Configured for use with a 0.250 inch bolt at 1.75 inch spacing
  • Associated with magneto idler hardware in Lycoming engines
  • Supplied within a Lycoming engine lockplate family
0 3. Specifications

Part Number: 73817
Product Type: Lockplate for engine hardware
Bolt Diameter: 0.250 in
Bolt Spacing: 1.75 in
Associated Engine Location: Magneto idler (via SL73817 reference)
Categories: Lycoming lockplates; Engine hardware

FAQs

01. What bolt size is Lycoming lockplate 73817 designed to secure?

Lycoming lockplate 73817 is designed to secure a 0.250 inch bolt.

02. What spacing does lockplate 73817 accommodate between bolts or attachment points?

Lockplate 73817 is configured for use at 1.75 inch spacing.

03. In what type of application is part 73817 used on Lycoming engines?

Part 73817 is used as a lockplate in Lycoming engine hardware assemblies, including magneto idler locations.

04. How is part 73817 categorized in engine parts references?

Part 73817 is categorized within Lycoming lockplates as an engine hardware component.

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