: It is frequently applied to propeller counterweights, specifically on bolt heads, spring pins, and bolt wells. After Cleaning
It is a protective chemical applied to bolt-on steel counterweights to prevent surface corrosion . corrosion inhibitor cm352 portable
: It is often specified in service bulletins as the "go-to" inhibitor to be applied after cleaning corrosion from mounting bolt recesses and staking pins. : It is frequently applied to propeller counterweights,
While it is a proprietary standard for Hartzell components, it can be procured through aviation parts suppliers like PB Aviation Parts or authorized Hartzell Service Facilities . HC-ASB-61-406, Original - Hartzell Propeller specifically on bolt heads