Buy Complete Door Hardware Set
- Description
- Product Specifications
- Technical Specifications
- Document Center
Schlage ND50-PD-SPA Cylindrical Entrance/Office Lock, Sparta Lever, Schlage "C", Keyed Different, [2] Change Keys, 2-3/4 Inch Backset, 4-7/8 Inch Strike, Grade 1, Non Handed
The Schlage ND50-PD-SPA Cylindrical Entrance/Office Lock combines heavy-duty Grade 1 performance with the clean look of a Sparta lever for commercial openings that need dependable security and daily convenience. This cylindrical entrance/office lock features the Schlage "C" keyway, is keyed different, and includes [2] change keys for immediate use. Built with a 2-3/4 inch backset and a 4-7/8 inch strike, the ND50-PD-SPA is designed for standard commercial door prep while delivering the durability expected from the ND Series. Its non handed design also helps simplify installation and stocking across multiple openings.
Features
ND50-PD-SPA cylindrical entrance/office lock is designed for commercial applications requiring a keyed entrance/office function.
Sparta lever trim provides a streamlined lever design suited for institutional, office, and public building doors.
Schlage "C" keyway offers compatibility with standard Schlage C key systems.
Keyed different configuration supplies a unique keying combination for the lock cylinder.
Includes [2] change keys for day-one operation and key control setup.
2-3/4 inch backset supports common commercial door preparations.
4-7/8 inch strike is included for proper frame alignment and latch engagement.
Grade 1 construction meets the highest ANSI/BHMA grade for cylindrical locks.
Non handed design allows installation on either right-hand or left-hand doors.
Functional Details
The ND50 entrance/office function is intended for doors that need key access from the outside and convenient egress from the inside. This function is commonly used on offices, main entrances, and similar openings where the outside lever can be secured while the inside lever remains free for safe exit.
Outside lever unlocked by key from outside or by rotating inside button.
Inside push button locks outside lever.
Inside lever always unlocked.
Closing door does not release inside button.
Included Components
This lock is supplied as a Schlage ND50-PD-SPA cylindrical entrance/office lock with Sparta lever trim, Schlage "C" keyway cylinder, keyed different configuration, [2] change keys, a 2-3/4 inch backset latch, and a 4-7/8 inch strike. Its non handed design helps reduce ordering complexity for field installation.
Manufacturer |
Schlage |
|---|---|
Series |
ND Series |
Model |
ND50-PD-SPA |
Product Type |
Cylindrical Entrance/Office Lock |
Lever Design |
Sparta Lever |
Keyway |
Schlage "C" |
Keying |
Keyed Different |
Change Keys Included |
2 |
Backset |
2-3/4 Inch |
Strike |
4-7/8 Inch Strike |
Grade |
ANSI/BHMA Grade 1 |
Handing |
Non Handed |
ANSI Number |
F109 |
UL Listing Type |
UL listed for 3-hour fire door |
BAA Qualified |
No |
Unit of Measure |
Each |
SKU |
ND50-PD-SPA |
Function Number |
ND50 |
|---|---|
ANSI Function |
F109 |
Lock Type |
Heavy-duty cylindrical lock |
Backset Dimension |
2-3/4 Inch |
Strike Dimension |
4-7/8 Inch |
Door Thickness Range |
1-3/8 Inch to 1-3/4 Inch standard |
Latch Front |
1-1/8 Inch x 2-1/4 Inch |
Strike Size |
1-1/4 Inch x 4-7/8 Inch |
Cross Bore |
2-1/8 Inch |
Edge Bore |
1 Inch |
Cylinder Type |
Conventional cylinder, Schlage "C" keyway |
Handing |
Non Handed |
Fire Rating |
3 Hour |
Cycle Test |
3,100,000 cycles |
Lever Style |
SPA |
Grade |
1 |












