The Muncie HN-12 or HN12 is a genuine Muncie jam nut designed for Muncie power takeoff applications. Jam nuts are critical fastening components used to lock and secure threaded connections on PTO assemblies, preventing loosening under the vibration and load cycles common in heavy-duty truck operation. Pro Gear and Transmission carries this part for buyers who need an exact Muncie replacement. Not sure this is your part? Give us a call to confirm proper fit before ordering.
Features
Genuine Muncie part number HN-12 or HN12
Jam nut for Muncie PTO applications
Designed for threaded connection locking on PTO assemblies
Direct Muncie replacement part
Sold by Pro Gear and Transmission
