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Description
Schlage ND50-BD-ATH Cylindrical Entrance/Office Lock, Athens Lever, SFIC Prep Less Core, 2-3/4 Inch Backset, 4-7/8 Inch Strike, Grade 1, Non Handed
The Schlage ND50-BD-ATH Cylindrical Entrance/Office Lock is a heavy-duty Grade 1 cylindrical lock built for commercial openings that need dependable entrance/office security and long service life. This configuration includes the Athens lever design, SFIC prep less core for small format interchangeable core applications, a 2-3/4 inch backset, and a 4-7/8 inch strike. The ND50-BD-ATH is non handed for easier installation and field flexibility. As part of the Schlage ND Series, it is engineered for high-use environments where strength, consistent performance, and code-compliant commercial hardware are essential.
Features
- ND50 entrance/office function supports controlled access for commercial office and entry doors.
- Cylindrical lock chassis provides heavy-duty performance for standard bored door preparations.
- Athens lever trim offers a distinct lever design within the Schlage ND Series.
- SFIC prep less core is prepared for a small format interchangeable core and is supplied without the core.
- 2-3/4 inch backset fits doors requiring the extended commercial backset dimension.
- 4-7/8 inch strike provides the larger strike format specified in the title.
- 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 designed for doors that require key control from the outside while allowing convenient egress from the inside. This function is commonly used on office and main entry openings where outside access may be locked or unlocked as needed, while the inside lever remains available for safe exit.
- Outside lever locked by push button inside. Turning inside lever or closing door releases button. Outside lever unlocked by key. Inside lever always unlocked.
- Auxiliary latch deadlocks latchbolt when door is closed.
Product Specifications
| Manufacturer | Schlage |
|---|---|
| Series | ND Series |
| Model | ND50-BD-ATH |
| Product Type | Cylindrical Entrance/Office Lock |
| Lever Design | Athens Lever |
| Cylinder Preparation | SFIC Prep Less Core |
| Backset | 2-3/4 Inch |
| Strike | 4-7/8 Inch Strike |
| Handing | Non Handed |
| Grade | Grade 1 |
| ANSI Number | F109 |
| UL Listing Type | UL listed for 3-hour fire door |
| BAA Qualified | Yes |
| Origin | Made in USA |
| Unit of Measure | Each |
| SKU | ND50-BD-ATH |
| Limited Warranty | 10 Year Mechanical Warranty, 3 Year Electro Mechanical Warranty |
Technical Specifications
| Lock Function | ND50 Entrance/Office |
|---|---|
| ANSI/BHMA Grade | Grade 1 |
| ANSI Function Number | F109 |
| Door Thickness | 1-3/8 Inch to 2-1/8 Inch |
| Backset Dimension | 2-3/4 Inch |
| Strike Size | 4-7/8 Inch |
| Latch Front | 1-1/8 Inch x 2-1/4 Inch |
| Cross Bore | 2-1/8 Inch |
| Edge Bore | 1 Inch |
| Latchbolt Throw | 1/2 Inch |
| Deadlocking Latch | Yes, auxiliary latch deadlocks latchbolt when door is closed |
| Handing | Non Handed |
| Cylinder Format | SFIC Prep Less Core |
| Lever Style | Athens |
| Fire Rating | 3 Hour |
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