Active Concealed Rod, 60/92 Mortise Lock, 5/16-18 Coupling,

PGT®  Active Concealed Multi-point lock Rod Version, 60mm, No Faceplate
This mortise lock is used exclusively on PGT Doors and has 5/16-18 Coupling Thread:

To Replace lock the stile needs to be removed.

Type: Active Door Lock
Version: Concealed Rod / Shootbolts
Backset: 2-3/8 in. (60mm)
Faceplate Attached: NO, Mounting plate has Radius corners
Faceplate Width: N/A
Faceplate Length: N/A
Standoff: Short, 3/8 Thick Plastic
Coupling Thread: 5/16-18 ( silver Color )

How to Operate Lock:
1. Lift handle to Extend vertical shootbolt rods
2. Turn Key or Thumbturn to extend deadbolt and secure rods in locked position
3. Reverse process to unlock door.

Operation of Lock: Baby Sitter function