Yale New Traditions Cirrus Double Cylinder 840 Deadbolt
840-US3-
Meets ANSI Grade 3 Specifications
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Available in 9 Distinctive Finishes
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Lifetime Limited Warranty – Finish and Mechanical
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Quick Install™ Mounting System – Knobs
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Pre-Installed Mounting Screws – Knobs
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Concealed Mounting Screws – Clean Upgraded Look
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Available KW-1, SC-1 keyway; E1R (Para) Keyway available for Deadbolts and levers only
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Non-Handed Levers – Eliminate Handing Issues
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Solid Brass Key Cylinder
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Removable Lever/Knob & Rosettes – Allows for Easy Scratch-Free Installation
Door Specs: 2 1/8" Face Bore, 1" Edge Bore, 2 3/8" Backset
Box Pack: Latch Face 1" x 2 1/4" RC (Round Corner)
Latch: Box Pack: ADJ RC (Round Corner)
Door Thickness: 1 3/8" to 1 3/4"
Cylinder: Brass 5 Pin Cylinder (KW-1 Compatible)
Keying: KD (Keyed Different)
Faceplate: 1" W x 2 1/4" H RC (Round Corner)
Strike: Box Pack: 2 1/4" Full Lip (Round Corner)
Certified: A156.5 ANSI/BHMA Grade 2
Function | Image | Series | Description |
Dummy | ![]() |
810 | No cylinder, no latch. |
Single Cylinder | ![]() |
820 | Latch operated from outside by key, inside by T turn. |
Double Cylinder | ![]() |
840 | Latch operated on either side by key. Concealed screws. |
One Sided with Plate | ![]() |
860 | No cylinder. Latch operated by the T-turn on the inside. For doors bored completely through. |
One Way | ![]() |
880 | No cylinder. Latch operated by the T-turn on the inside. For doors not bored completely through. |