LOCKPLATE (P/N lw-12272) - New Surplus

The LW-12272 is a lockplate for Lycoming piston engine shroud tube assemblies. This steel component secures the shroud/rocker cover tube against fastener rotation, providing positive mechanical locking per FAA AC 43.13-1B safetying standards. Installed on Lycoming engines with rocker cover shroud tubes, the lockplate prevents vibration-induced loosening of critical engine hardware.

Installation follows the applicable Lycoming maintenance manual; verify part compatibility with your specific engine's Illustrated Parts Catalog before assembly.

What is the LOCKPLATE (P/N lw-12272)?

The LW-12272 is a lockplate for Lycoming piston engine shroud tube assemblies. This steel component secures the shroud/rocker cover tube against fastener rotation, providing positive mechanical locking per FAA AC 43.

Is the lw-12272 a PMA or OEM part?

The LOCKPLATE may be available as an OEM (Original Equipment Manufacturer) or PMA (Parts Manufacturer Approval) part depending on condition and source. Both carry FAA certification for airworthiness. Currently available in: New Surplus. Contact us for sourcing details.

Does the lw-12272 include installation hardware?

Installation hardware requirements vary by application. Check your aircraft's Structural Repair Manual (SRM) or Illustrated Parts Catalog (IPC) for the complete installation kit requirements for the LOCKPLATE. We stock related hardware and can help identify companion parts.

Can the lw-12272 be shipped internationally?

Yes, we ship airframe components worldwide. International orders typically arrive within 3-14 business days depending on destination. Export documentation and customs forms are included. Contact us for international shipping quotes on the lw-12272.