“ what does JD mean for schlage suffix

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The Schlage B and BD cylinder suffixes designate less small format interchangeable core (SFIC) cylinder prep for the lock. Any SFIC, 6-pin or 7-pin, can be inserted into the lock and will operate t...
The Schlage ND is shipped with a driver/tailpiece when ordered with a LD, BD, or JD suffix.
Schlage and Falcon use the P cylinder suffix to designate conventional key-in-lever (KIL) 6 pin cylinder.  The D means that the lock will have a deadlatch.
The full size interchangeable cores or FSIC from Schlage.
A lock specified by a cylinder suffix BDC will be supplied with a disposable small format construction core, see Figure 1 below.  There is no metal key but instead the BDC cylinder has a ...
A small format disposable core is used as a SFIC construction core that is for low security applications and can be thrown in the waste bin after use.
Von Duprin offers two options:The CDSI/HDSI Dogging Indicator provides an at-a-glance verification of the status of the door from inside of the room. Visible “LOCKED” and “UNLOCKED” indicators show...
The Schlage L9000-Series with anti-ligature trim cannot be ordered less cylinder (L cylinder suffix), but can be ordered less core (BD or J cylinder suffix). The cylinder rose dimensions change bas...