Schlage F51A-ORB F-Series Orbit Single Cylinder Panic Proof Keyed Entry Door Knob

The Schlage F51A-ORB Orbit is a keyed entry door knob for entry doors, side doors, and other openings where keyed access is required.

The exterior side locks and unlocks with a key. The interior side uses a turn-button, and rotating the interior knob retracts the latch and unlocks the lock for exit. Confirm the model, Orbit design, standard trim, door preparation, cylinder, and verified dimensions before ordering.

Product Details

• Manufacturer part number: F51A-ORB
• Function: Keyed Entry Door Knob
• Design: Orbit
• Trim: Standard Trim
• Handing: Reversible
• Material: Metal
• Door thickness: 1-3/8″ to 1-3/4″
• Backset: Adjustable 2-3/8″ or 2-3/4″
• Cross bore: 2-1/8″
• Edge bore: 0.875″
• Latch faceplate: Round Corner / Square Corner / Drive-In
• Cylinder: 5 Pin Schlage C
• Keying options: Keyed Alike / Keyed Different
• Collection: F-Series
• BHMA certification: Grade 2
• ANSI certification: A156.5
• Style: Traditional/Classic
• Shape: Round

Compatibility: Confirm model F51A-ORB, the Orbit design, Standard Trim, reversible handing, door thickness, backset, cylinder or keyway, the intended keyed-entry application before ordering.

Additional Schlage Information

Schlage F51-ORB Installation

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