Falcon part numbers consist of a series of letters and numbers. Each of these letters or numbers helps to identify the lock series, function, cylinder style, lever or knob style, latch, strike and finish. 

Example: T581BD D 23981145 5164 622

• Series: T (Grade 1 cylindrical)
• Function: 581 (storeroom)
• Cylinder Option: BD (Less Small Format IC)
• Lever Style: D (Dane)
• Latch: 23981145 (2-3/4" Backset Deadlatch)
• Strike: 5164 (ANSI/ASA Strike)
• Finish: 622 (Flat Black)

Falcon Series locks are available with a number of functions, cylinder options, lever/knob styles, latch, strike and finish options. The Falcon Locks Catalog can be helpful in determining what options are available for each lock series.