THIS ABILITYONE ITEM IS EQUIVALENT TO THE FOLLOWING MODELS: Falcona 94917549 STANLEY 40KD50 BEST 49M876 SCHLAGE 738D24 DORMAKABA BEST 9K37T15CS3626 BEST 9K37T15DS3626 STANLEY 9K37T15DS362640KD50 CORBIN RUSSWIN CL3375NZD626M0836NH41 PDQ GT165PHL626234ASASFL PDQ GT165PHLSFIC SCHLAGE ND73PD ALLEGION FALCON T571BDD626. SKILCRAFT Door Locks Cylindrical GT Series Dormitory Corridor F90 GT 165 Philadelphia BRAND NAME: SKILCRAFT. GT series cylindrical locksets exceed industry standards, offering durability, security, and ANSI/BHMA Grade 1 extraheavyduty certification. Grade 1Cylindrical Lockset, F90 Dormitory Corridor function, GT 165 Series, Philadelphia lever style, 23/4 backset, Strike Type Dimensions 11/4 x 47/8 ASA, recommended door thickness 13/4 21/4. Best compatible keyway small format interchangeable (SFIC) housing less core. Windstorm rated. Made in the U.S.A. 25year limited warranty. SDS SHEETS: Yes. ENVIRONMENTAL SUSTAINABILITY (GREEN) INFO: PreConsumer Recycled Content: 0