|Manufacturer||Von Duprin Exit Devices|
The Von Duprin 55 Rim Latch Bolt Spring 967502 is only used on the 55 Rim Panic Hardware. This spring just keeps pressure on the latch bolt, it does not lift the arm. If your arm is sagging, they you need to tighten the crossbar wedge tite screws and check and make sure the 55R200 55 Hinge Case Spring is not broken. It measures 1-1/2" long by 3/8" diameter.
Von Duprin part # 967502