THIS ABILITYONE ITEM IS EQUIVALENT TO THE FOLLOWING MODELS: SARGENT 10G54 DORMAKABA BEST 40KD48 BEST 53DX94 BEST 9K37T14CS3626 DORMAKABA BEST 9K37T14DS3626 CORBIN RUSSWIN CL3375PZD626M0840JG16 PDQ GT165BSN626234ASASFL PDQ GT165BSNSFIC. SKILCRAFT Door Locks Cylindrical GT Series Dormitory Corridor F90 GT 165 Boston 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, Boston 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