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Adams Rite Exit Device Documentation
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Note: Left Hand Handing is the same as Right Hand Reverse Handing and Right Hand Handing is the same as Left Hand Reverse Handing. See handing chart for clarification. Click here to see our Door Hardware Handing Guide.
Adams Rite 8400 - Narrow Stile Mortise Exit Device for Single Leaf
The 8400 Series Narrow Stile Mortise Exit Device is designed for narrow stile aluminum applications that require a lifesafety exit device with mortise locking solution.
The Adams Rite 8400 mortise exit device is designed for use in single door applications.
Certifications
The Adams Rite 8400 mortise exit device has the following certifications/listings:
- UL 305 Panic Hardware
- ANSI/BHMA A156.3-2008 Grade 1
- ANSI/BHMA A156.3-2014 Grade 2
Features
Materials
Push bar made of extruded aluminum, clad or anodized in a variety of finishes.
Handing
Specify handing and bevel if applicable.
Push bar Length
Standard sizes dimensioned for 30" [762.0 mm], 36" [914.4 mm], 42" [1,066.8 mm], and 48" [1,219.2 mm] openings. Standard width bars can be field cut to the next smallest opening width.
Backset
31/32" [24.6 mm], 1-1/8" [28.6 mm], or 1-1/2" [38.1 mm]. Fits standard cutout used for the Adams Rite 4900 Heavy Duty Deadlatch on narrow stile aluminum doors.
Door Thickness
Suits 1-3/4" [44.5 mm] standard. Device can be modified for thicker doors using Thick Door Kit available separately, or for thermal doors using Thermal Door Kit available separately.
Stile Width
Minimum 2" [50.8 mm] stile. Fits narrow, medium, and wide stile aluminum doors.
Projection
2-5/8" [66.7 mm] when fully projected, 1-5/8" [41.3 mm] when dogged.
Dogging
Standard dogging with hex key or optional cylinder dogging. Electric dogging option also available.
Fasteners
This Adams Rite 8400 comes with standard machine screws.
Cylinders
Accepts any standard 1" [25.4 mm] length, 1-5/32" [29.4 mm] diameter mortise cylinder with MS® cam such as the 4036 Mortise Cylinder. Accommodates cylinder lengths from 1" [25.4 mm] to 1-1/4" [31.8 mm]. Available separately.
Cylinder x Fixed Pull Functions
For function 03 (Night latch - key releases latch) select any standard 1" [25.4 mm] length, 1-5/32" [29.4 mm] diameter mortise cylinder with MS® cam such as the 4036 Mortise Cylinder. Function 03 is not applicable to 8475 Mortise Mid-Panel Exit Device.
Entry Trim Functions
For entry trim function 08 (key locks/unlocks lever) or function 09 (key releases lever) select any standard 1" [25.4 mm] length, 1-5/32" [29.4 mm] diameter mortise cylinder with MS® cam such as the 4036 Mortise Cylinder. Accommodates cylinder lengths from 1" [25.4 mm] to 1-1/4" [31.8 mm]. Available separately.
Bolts and Strikes
Mortise deadlatch with bolt measuring 5/8" x 1" x 5/8" [15.9 mm x 25.4 mm x 15.9 mm] throw. Solid brass bolt.
A variety of strikes are available for different applications:
- Standard strike of stainless steel included, Extended Lip Strike 8460 available separately, Long Face Strike 8455-01 available separately.
FINISHES

Click here for our Definitive List of Door Hardware Finishes
Standard Package
Individually boxed.
Shipping Weight
11 lbs [4.99 kg]
Options
Electrification Options
Motorized Latch Retraction, Electric Latch Retraction (LR), Electric Dogging, Alarm Monitoring, Cylinder Dogging, Matching End Caps
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