The 38-070 is a dummy mortise cylinder available in 1 1/8", 1 1/4", 1 3/8", 1 1/2" lengths.  The cylinder has an embossed faceplate to look like a standard cylinder but no keyway.
The 38-070 is not available in stainless finishes; 629 and 630.
The 2670 Guard X uses a standard rim cylinder for either push side or pull side.  The rim cylinder can be installed to the outside of the opening with an offset pull to operate the 2670 Guard X d...
 The tailpiece of the rim cylinder can be inserted into the Von Duprin 98/99 rim device either vertical or horizontal.
The Schlage small format interchangeable core rim cylinders 80-329, 80-159, 80-116, and 08-129 can accept 6 pin and 7 pin small format cores.
A 1-1/8 through 1-1/2" mortise cylinder with straight cam per Step 4 of 512NL Instructions.
Rim cylinder housing only for FSIC is part number 20-079.
Rim cylinder housing only for SFIC is part number 80-129.