INSERT- 5/16-18 HEAVY WALL AVK

This part is NO LONGER AVAILABLE. You cannot purchase this part. Can I still get this?

Listed on the following equipment:
Alliance - ALL855
Alliance - EC8500
Alliance - EC850OB
HealthTrainer - HT901HR
HealthTrainer - HT901HRC
Keys - 4000
Keys - 8800LI
Keys - A8T
Keys - Pro 650
Smooth (1984 - 2014) - SM5.3P
Smooth (1984 - 2014) - SM9.3P

* Images may not be identical to part.