B-3807 NUT5/8-18HEXSELF-LOCKING

The **Hartzell B-3807 Self-Locking Hex Nut** is a 5/8-18 threaded hardware component used in applicable Hartzell propeller assemblies. The B-3807 is used in applicable propeller pitch-control and cylinder configurations, including installations where it is fitted with the low-pitch stop set screw. --- ## Applications The Hartzell B-3807 Self-Locking Hex Nut is used in applicable Hartzell propeller assemblies. Confirmed applications include: - HC-C2YR-4(B,C)F propeller models - Applicable Hartzell aluminium-hub -4 compact propeller configurations - Used with the A-4257 low-pitch stop set screw in applicable B-2428-2 cylinder installations - Applicable Hartzell propeller overhaul and service configurations Always confirm the installed propeller model and applicable Hartzell maintenance, overhaul or parts documentation before ordering or installation. --- ## Why CJ Aerospace? CJ Aerospace supplies aircraft propeller components, replacement hardware and propeller service parts for a range of aviation applications. Our team can assist with product information, availability and part-number identification. - 🇦🇺 **Australian-owned and operated** - 📦 **Aircraft propeller components, replacement hardware and service parts** - 🔧 **Technical assistance with part identification and compatibility** - ✈️ **Support for aircraft owners, operators and aviation professionals** > ✉️ [Contact us at sales@cjaerospace.com.au](mailto:sales@cjaerospace.com.au) > Need help identifying the correct propeller hardware? Contact our team for assistance.

- 5/8-18 hex self-locking nut - Used in applicable Hartzell propeller assemblies - Used with applicable low-pitch stop hardware - Specified in applicable Hartzell propeller service and overhaul configurations - Hartzell Propeller replacement component