Product Details
Schlage ND53 - Heavy Duty Entrance Lever LockEntrance Lock -ANSI F109
Turn/push-button locking:Pushing and turning the button locks the outside lever, requiring use of a key until the button is manually unlocked.
Push-button locking: Pushing button locks outside lever until unlocked by key or by turning the inside lever.
Lever Styles:Athens (ATH), Rhodes (RHO), Tubular (TLR), Sparta (SPA), Omega (OME).

Finishes:605 - Bright Brass, 606 - Satin Brass, 612 - Satin Bronze, 613 - Oil Rubbed Bronze, 619 - Satin Nickel, 625 - Bright Chrome, 626 - Satin Chrome
Certifications:ANSI A156.2, 1996, Series 4000 Grade 1. UL Listed.
Keying:6-Pin Solid brass Cylinder, C or Everest C123 keyway with two nickel silver keys per lock. Other keying options available include master keying, grand master keying, construction keying, and interchangeable core.
The door range is 1 5/8" - 2 1/8" standard. The 1 3/8" door thickness requires 2 spacers in order to fit and must be specified or ordered separately(please call).
Backset:2 3/4" (70 mm) standard. 2 3/8" (60 mm) available. 3-3/4" Backset and 5" (127 mm) backset link also available(please call).
Latch Bolt:Steel, 1/2" (12 mm) throw. 3/4" (19 mm) throw anti-friction latch available for pairs of fire doors(please call).
Strikes:ANSI curved lip strike 1 1/4" x 4 7/8" (32 mm x 124 mm), 1 3/16" (30 mm) to center standard. Optional strikes, lip lengths and ANSI strike box available.
ND53PD- 6-Pin conventional (standard)
ND53LD- Conventional - Less Cylinder
ND53BD- Small format IC core - less core (accepts "Best" Interchangable cores, core not included)
ND53JD- Large format IC core - less core (accepts Schlage Interchangable cores, core not included)
Model:Schlage, ND53, ND53PDATH, ND53PDRHO ND53PDTLR, ND53PDSPA, ND53PDOME, ND53PDATH626, ND53PDRHO626, ND53PDTLR626, ND53PDSPA626, ND53PDOME626,
ND53BDATH, ND53BDRHO ND53BDTLR, ND53BDSPA, ND53BDOME, ND53BDATH626, ND53BDRHO626, ND53BDTLR626, ND53BDSPA626, ND53BDOME626,
ND53JDATH, ND53JDRHO ND53JDTLR, ND53JDSPA, ND53JDOME, ND53JDATH626, ND53JDRHO626, ND53JDTLR626, ND53JDSPA626, ND53JDOME626,
ND53LDATH, ND53LDRHO ND53LDTLR, ND53LDSPA, ND53LDOME, ND53LDATH626, ND53LDRHO626, ND53LDTLR626, ND53LDSPA626, ND53LDOME626
ATH, RHO, TLR, SPA, OME, 605, 606, 612, 613, 619, 625, 626.