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The Schlage ND60 is the vestibule lock function (ANSI F88) of the ND Series, Schlage heavy duty Grade 1 cylindrical lock. It is a keyed double cylinder function: there is a lever with a key cylinder on both sides of the door, on a deadlatch.
The control logic runs in one direction, which is the whole point of the function. The outside lever is made inoperative by the key inside, and the key outside does not lock. A key outside will retract the latch but cannot unlock the outside lever - only the inside key unlocks it. Someone on the secure side controls whether the opening is open to traffic, and nobody on the public side can change that state.
That makes it the classic lock for a vestibule or entry lobby, where staff inside decide when the outer door is free to use. Despite being a double cylinder function, the inside lever is always free for immediate egress - the cylinders control entry, never exit.
Schlage also offers an optional instruction rose that marks the key rotation direction for rapid lockdown, so whoever grabs the key under pressure turns it the right way the first time. The ND Series margin over the standard carries through: 3,100 in-lb of abusive lever torque (2.6x BHMA), 1,600 lbs of offset lever pull (8x BHMA), and near zero droop and wobble after 16 million cycles (16x BHMA).
Features
- Vestibule lock function - lever with a key cylinder on both sides, deadlatch.
- Keyed double cylinder - two cylinders are required, one per side.
- Outside lever is made inoperative by the key inside.
- Key outside does not lock, and cannot unlock the outside lever.
- Key outside retracts the latch only; the inside key is the only way to unlock the outside lever.
- Inside lever always free for immediate egress.
- Optional instruction rose marking key rotation direction for rapid lockdown.
- Conventional, FSIC, and SFIC cylinder formats, plus less-cylinder options for existing key systems.
- Keyed different, keyed alike, master keyed, or construction keyed.
- ANSI/BHMA Grade 1 certified to A156.2-2011, Series 4000.
- Resists 3,100 in-lb of abusive lever torque, 2.6 times the BHMA requirement.
- Restricts entry against 1,600 lbs of offset lever pull, 8 times BHMA.
- Near zero droop and wobble after 16 million cycles, 16 times BHMA, with no set screws or O-rings.
- Nine ADA compliant lever designs and nine finishes; inside lever can differ from outside.
- Non-handed; UL Listed 3 hour fire rated and BAA compliant.
Specifications
Function
- Schlage Function
- ND60 vestibule lock
- ANSI Function
- F88
- Category
- Keyed, double cylinder function
- Trim
- Lever with key cylinder both sides; deadlatch
- Unlocked State
- Latch retracted by either lever
- Locking
- Outside lever is made inoperative by key inside. The key outside does not lock
- Unlocking
- Key outside retracts the latch but cannot unlock the outside lever. Only the key inside unlocks it
- Egress
- Inside lever always free for immediate egress
- Cylinders Required
- Two, one on each side of the door
Cylinders and Keying
- P
- Conventional 6-pin cylinders keyed 5-pin, Classic C keyway
- C
- Less cylinders, double cylinder, for supplying your own both sides
- R
- FSIC 6-pin full size interchangeable cores
- J
- Less FSIC cores, for an existing full size interchangeable core system
- B
- Less SFIC cores, for an existing small format interchangeable core system
- BDC
- Disposable construction SFIC cores
- Keying
- Keyed different (standard), keyed alike, master keyed, or construction keyed
- FSIC Keyway
- FSIC cylinders default to the patented Everest 29 S123 keyway; master keyed systems default to Everest 29 S145
- Pack Cylinders Loose
- PCL available if cylinders should ship uninstalled
Instruction Rose Option
- Purpose
- Identifies the key rotation direction for rapid lockdown
- Special Option
- XN12-035, ordered as a special option with the function
- Finish
- 626 satin chrome only
Performance
- Abusive Lever Torque
- 3,100 in-lb, equivalent to over 690 lbs at the end of a 4-1/2 inch lever (2.6x BHMA)
- Offset Lever Pull
- 1,600 lbs (8x BHMA)
- Vertical Impact
- 100 impacts with no failure or indication of stress (20x BHMA)
- Cycle Life
- Near zero droop and wobble after 16 million cycles (16x BHMA)
- Latch Preload
- Latch retraction with 200 lb preload (4x BHMA)
Chassis and Trim
- Chassis Material
- Modular design of zinc and steel components, plated for corrosion protection
- Handing
- Non-handed
- Door Thickness
- Standard 1-5/8 to 2-1/8 inches. Optional 1-3/8 inches to 6 inches in EE, EO, EI, and ED configurations
- Backset
- Standard 2-3/4 inches, with 3-3/4 inch latches available and a 5 inch backset extension
- Lever Designs
- Athens (ATH), Boardwalk (BRK), Broadway (BRW), Latitude (LAT), Longitude (LON), Omega (OME), Rhodes (RHO), Sparta (SPA), Tubular (TLR), in pressure cast zinc plated to match the finish. The inside lever can be specified the same as outside or as a different design
- Roses
- Wrought brass or zinc, plated to match the finish. Rose diameter 3-7/16 inches
- Finishes
- 605 bright brass (US3), 606 satin brass (US4), 612 satin bronze (US10), 613 oil rubbed bronze (US10B), 619 satin nickel (US15), 622 matte black (US19), 625 bright chrome (US26), 626 satin chrome (US26D), 643e aged bronze
Latch Options
- 13-247
- Deadlatch, 2-3/4 inch backset, 1-1/8 x 2-1/4 inch square corner faceplate (standard)
- 13-248
- Spring latch, 2-3/4 inch backset
- 14-028
- Deadlatch, 3-3/4 inch backset, 1-1/8 x 2-1/4 inch square corner
- 14-010
- Spring latch, 3-3/4 inch backset, 1-1/8 x 2-1/4 inch square corner, non-restoring
- 14-042
- Anti-friction fire deadlatch, 3/4 inch throw, 2-3/4 inch backset, for pairs of doors
- 43-005
- 5 inch backset extension
Strike Options
- 10-025
- ANSI strike, 1-1/4 x 4-7/8 inches, 1-3/16 inch lip (standard). Also available with the K510-066 dust box, or with a 1-3/8 or 1-1/2 inch lip
- XQ07-351
- 10-025 strike with a 7/8 inch flat lip, or special lip lengths through 6 inches
- 10-013
- T-strike with dust box, 1-1/8 x 2-3/4 inches, with a 1-1/8 or 1-1/2 inch lip
- 10-016
- T-strike with deep dust box for the 3/4 inch fire latch, 1-1/8 x 2-3/4 inches
Certifications
- ANSI/BHMA
- A156.2-2011, Series 4000 Grade 1 cylindrical locks
- Accessibility
- Complies with ICC A117.1 Accessible and Usable Buildings and Facilities
- Fire
- UL 10C and CAN/ULC-S104. Three hour A label single fire door 4 ft by 10 ft. Pairs of doors three hour at 8 ft by 8 ft with the 3/4 inch latch option; pairs 90 minute at 8 ft by 10 ft with the 3/4 inch latch option
- California Fire Code
- Levers with a return to door of 1/2 inch or less comply: Rhodes, Sparta, Tubular, Omega, Longitude, and Boardwalk
- Florida Building Code
- Complies with Florida Building Code (ASTM E330, E1886, E1996) and Miami Dade (TAS 201, 202, 203) hurricane requirements
- Federal
- Meets FF-H-106C Series 161. BAA compliant on all functions
- Warranty
- 10 year mechanical and 3 year electro-mechanical
Frequently Asked Questions
- What does ND60 mean?
- It is the Schlage function code for the vestibule lock, ANSI F88. It is a keyed double cylinder function with a key cylinder on both sides of the door.
- Does it need two cylinders?
- Yes. It is a double cylinder lock, so a cylinder or core is required on each side. Order accordingly, or choose C, J, or B to receive it less cylinders and supply your own from an existing system.
- Why can the outside key not unlock the lever?
- That is the function working as intended. The outside key retracts the latch only, so a keyholder can get in, but it cannot change the locked state. Only the inside key unlocks the outside lever, which keeps control of the opening with whoever is on the secure side.
- Can the door be locked from outside?
- No. The key outside does not lock. Locking is done with the key inside.
- Can people always get out?
- Yes. The inside lever is always free for immediate egress, in every state of the lock. The cylinders control entry, never exit.
- What is the instruction rose for?
- It marks which way to turn the key for rapid lockdown, so staff do not have to think about it in an emergency. It is a special option and is available in 626 satin chrome only. Contact us and we will quote it with the lock.
- Where is this function normally used?
- Vestibules and entry lobbies, where staff on the inside decide when the outer door is open to traffic while a keyholder can still get in at any time.
- Can these be keyed to my existing keys?
- Yes. Choose keyed alike to make a group open on one key, or master keyed to fold them into an existing system. Tell us your keyway and bitting or send a sample. Construction keying is also available, including disposable construction SFIC cores.
- Which latch do I need?
- The standard 13-247 deadlatch on a 2-3/4 inch backset covers most doors. Use a 3-3/4 inch latch for deeper stiles, and the 14-042 anti-friction fire deadlatch with its 3/4 inch throw on pairs of doors, which is also what the pair-door fire listings require.
- Does the lever choice matter for code?
- It can. For the California Fire Code, levers with a return to door of 1/2 inch or less comply, which covers Rhodes, Sparta, Tubular, Omega, Longitude, and Boardwalk. Confirm the lever design against your local requirements.
