Thin Lock Nut

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

Listed on the following equipment:
Hammer Strength - Body Weight Abdominal Work Station - BWABWS
Hammer Strength - Free Weight Two Tier Dumbbell Rack - FWDR2
Hammer Strength - Ground Base Jammer - GBJ
Hammer Strength - Plate Loaded Seated Bicep - PLBI
Hammer Strength - Plate Loaded Seated Calf Raise - PLCALF
Hammer Strength - Plate Loaded Seated Dip - PLDIP

* Images may not be identical to part.