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“ rim cylinder vs mortise cylinder ”

Resolution: A 1-1/8 through 1-1/2" mortise cylinder with straight cam per Step 4 of 512NL Instructions.:

Resolution: See descriptions for the 09-992 thru 09-997 parts kits for modular mortise cylinders. The 09-998 is a kit for a rim cylinder. :

Resolution: 99-2:

Resolution: The "500" Series trim in general (510L, 511L, 512's, & 513K) will work with all 25 series devices and are not device specific.:

Resolution: Order the device as 88 NL less trim. The cylinder will be mounted to the face of the door. Use templates 10156 and 40015.:

Resolution: The tailpiece of the rim cylinder can be inserted into the Von Duprin 98/99 rim device either vertical or horizontal.: