PART NUMBER FOR REMOVEABLE KEY MULLION

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The male and female receptacle wire assemblies (wiring hardness) are included in 48/9854 and KR48/9854 mullions. The wiring harness is the same in a 4854 and 9854 mullions. 105987 is the part n...
The part number for a Von Duprin 4954 mullion bottom fitting is #050390.
The Von Duprin 4754, 4854, 9954, and 9854 mullions can be converted or ordered with key removable option. KR54-F kit is the conversion kit to convert the above mullions to key removable mullion.
The Von Duprin electrified steel mullions, 4854 and 9854 come with a quick connector that connects the electric strike wires from the mullion to the frame through the top fitting.  ...
The KR4023 mullion requires a 1-1/4" mortise cylinder with straight cam. This is stated in box 7 on the first page of the KR4023 mullion instructions.
Von Duprin KR (key removable) mullions requires a 1-1/8" or 1-1/4" mortise cylinder with the standard straight cam, the cam is not inverted. Please see chart below for part numbers. 
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