ATTENTION: During the COVID-19 outbreak we are available 8:00am-4:00pm EDT, Monday-Thursday until further notice.
We are still shipping Monday-Thursday at this time.
We're currently experiencing supply chain issues. We're doing our best to expedite shipping, and appreciate your patience.
In stock orders placed now will be shipped next business day.
|Manufacturer||Monarch Exit Devices|
|Special Shipping Type||No|
The Monarch / Dor-O-Matic / Falcon 600339 NL Spring Package converts the 179L , 712L, 712K, 912l and 911K to an NL function. The NL function is one were the Lever Handle can not be unlocked and left in the unlocked position when the key is removed. Spring has a 5/8" diameter. See attached instructions.