The Von Duprin 556NL-CA Night Latch Cylinder Assembly is used with the night latch trim on compatible 5547WDC wood door exit devices. It provides the cylinder assembly required for the night latch function and is intended for servicing or replacing the existing cylinder assembly.

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Manufacturer: Von Duprin
Part Number: 556NL-CA
Product Name: Night Latch Cylinder Assembly - WD Door
Primary Function: Night latch cylinder assembly for compatible wood door exit devices
Application: Repair and maintenance of compatible 5547WDC wood door exit devices
OEM Part: Yes
Warranty: 3-year limited (electronic), Limited lifetime (mechanical)