4300LN Series Tubular Lever Locks Yale 4300LN Tubular Lock Yale 4300LN Tubular Lock Yale 4300LN Tubular Lock Manufactured for the light/medium-duty markets, the 4300LN lever design is today’s economic solution in Grade 2 tubular lever locksets. ANSI/BHMA: A156.2, Series 4000 Grade 2 UL-cUL: UL-cUL fire-rated up to 1-1/2 hours Mechanism: Heavy-gauge steel, zinc-plated, dichromated Backset: 2-3/4" standard; 2-3/8" available to order Latchbolt: 1/2" stainless steel throw Guardbolt: Deadlocks latchbolt when door is closed; standard on all functions Door Thickness: Adjustable from 1-3/8" to 1-3/4" Fronts: Square corner front standard; round corner available to order Cylinders: Brass, 6-pin, keyed-random cylinder with two keys furnished standard, 7-pin not available. Reversibility: Non-handed Strikes: 1-1/4" curved lip T-strike standard; ANSI and full lip strikes available to order Finishes: Available in 8 finishes Warranty: 1-year mechanical Downloads Catalog Installation Instructions Templates Close Want to learn more? We'd love to show you how a Yale electronic access control system could help deliver a better experience for residents and an easier way to manage access for property managers. Simply complete the form below to get the conversation started. loading RL Series Tubular Lever Locks