Warn locking hubs would be WL-15828 or M-18.
The PDF is an old Warn brochure, go to note 1. The Napco drive flange will cross to GMC drive flange 15828.
Attachments
Napco 15828.jpg (56.78 KB, 134 downloads)
warnhubs.pdf (1.34 MB, 19 downloads)

Last edited by jimgmc; 01/05/2025 6:10 AM.