8400 Series (Life-Safety) Narrow Stile Mortise Exit Device

Adams Rite Exit Device Configurator

Whether you are familiar with Adams Rite exit device products or you are ordering for the first time, the Adams Rite Exit Device Configurator will help you get the part number you need quickly and easily by following a few simple steps:

  • Choose your exit device and select your product options
  • Configure your product to get your order string
  • Download or Email the cut sheet and provide to your vendor to order

Configure My Exit Device

The 8400 Series Narrow Stile Mortise Exit Device is designed for narrow stile aluminum applications that require a life-safety exit device with mortise locking solution.
Designed for use in single door applications.


UL 305 Panic Hardware
ANSI/BHMA A156.3, Grade 1


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" [762.0mm], 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: 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] to1-1/4" [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/unlockslever) 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" [25.4mm] 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 availablefor different applications:
• Standard strike of stainless steel included, Extended Lip Strike 8460 available separately, Long Face Strike 8455-01 available separately.

Standard Package: Individually boxed.

Shipping Weight: 11 lbs [4.99 kg]


• Electrification Options: (MLR) Motorized Latch Retraction, Electric Latch Retraction(LR), Alarm, Monitoring
• Mechanical Options: Cylinder Dogging, Matching End Caps


Related Products: When purchasing this product, please consider the following related products, available separately:

Accessories Cylinders Trim Electric Strikes Power

Thick or Cladded Door Kits, 8360-17 Extended Lip Strike, 8455-01 Longface, 8460-XX Long Lip Strike, 4901 & 4902 Deadlatch Strike, REX-Monitor/Signal Kits

Operable by either 4036 Mortise Cylinder depending upon the ANSI/BHMA functions of the exit device. 3080, 3080E Series EntryTrim, 3090-150, 3090P/3090C, A100 Series Keyless Entry 7100/7101, 7110/7111, 7130/7131, 7140, 7400/7401, 7410/7411, 7430/7431, 7440 PS-SE, PS-LRPS-EXIT Power Supply, 4612 Power Transfer Device, 4605 Transformer, 4603 Rectifier