F51 Entrance Lock (Orbit) Options:ORB 625 KA4 Latchbolt: 3/4” Throw stainless steel

Latchbolt: 3/4” Throw stainless steel with anti-friction tongue

• F25-V LBR

2” W x 3 1⁄8” H (50 x 80mm)

11-105  Dead Latch

F51 Entrance Lock (Orbit) Options:ORB 625 KA4 Latchbolt: 3/4” Throw stainless steelCATALOG F51 ANSI F81 Entrance Lock Unlocked by key from outside when outer knob is locked by turn button in inside knob. Inside knob lever always unlocked F Functions ANSI A156. 2, Series 4000, Grade 2 Radius and circular face plates for F10 F40 functions Radius, square, and circular face plates for F51, F358 function 6 pin solid brass cylinder, keyed 5 pin Universal backset either 2 3 8 or 2 3 4 1 3 8 1 3 4 thick door