Schlage D51pd Plymouth X 628. A Vintage Schlage Lock Nos In Original Packaging.

US $95.00

  • San Mateo, California, United States
  • Jan 30th
This is a vintage Schlage D51PD Plymouth x 628 2-3/4"' backset lock in the original box with ALL of its parts. My guess is it is mid 50's lock by the package. What all does this mean... Schlage is the inventor of this style of lock. They started in San Francisco in the 1920's and are a famous lock manufacture. D is the Series of lock. It is the heaviest lock that they make. Designed for commercial heavy duty use. It is a Grade 1 lock tested for 1,000,000 cycles. 51 is the function, or how it operated. This lock is always available for egress (exiting or leaving). It has a push & turn button on the inside knob to lock & unlock outside knob. P means it has a Pin Tumbler (5 pin, not 6 pin) cylinder as compared to a Wafer key that they also made. D is a deadlatch vs a spring latch. This is the higher security latch used in keyed functions vs latching functions like a bedroom door. Plymouth is the knob & rose design. It is round like a baseball but squished from front to back. 628 is the finish. It is an Aluminum knob. Back in the day this finish must have been slightly cheaper than the the 626 Satin Chrome finish. That being said I saw hundreds of these used in schools that were still working fine untill the ADA came along and all of the knobs got pulled out of service. 2-3/4" is the backset. Backset is the distance from the edge of the door to the center of the 2-1/8" mounting hole. You can purchase a 2-3/8" deadlatch or with links added to the latch you can make 5" or other backsets. I am in the locksmith business and can answer any question or key the lock to your requirements. Please ask questions before you purchase. I do not take returns unless  I misrepresented the product. Check out my other hardware.  
Condition New other (see details) :
A new, unused item with absolutely no signs of wear. The item may be missing the original packaging, or in the original packaging but not sealed. The item may be a factory second or a new, unused item with defects. See the seller’s listing for full details and description of any imperfections.
Seller Notes NOS in original box.

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