Security Parts carries parts for the Schlage CS210 Series interconnected lock (lever kit 06-242, Plymouth rose 08-029-PLY, Saturn rose 08-029-SAT, strike combinations 10-109 and 10-121, deadbolt strike 10-116), the Schlage HL6 Series hospital push-pull latch (mortise and tubular paddle assemblies, engraved and non-engraved, bent tab mortise strike kit), and the Schlage THP/LT Series tubular lock latches (THP-8201 spring latch, THP-8219 privacy latch, fire-rated versions with -F suffix). The CS210 B500 supports SFIC; the B60 does not. The HL6 key override anti-barricade function is available on three functions and is the critical safety feature for behavioral health environments.

Three Schlage product lines cover the doors that standard cylindrical and mortise locks do not. The CS210 interconnected lock addresses the NFPA 101 single-motion egress requirement on multifamily apartment entries where both a deadbolt and latch are required. The HL6 hospital latch addresses healthcare corridor doors where staff need hands-free operation and 50 percent quieter paddle action. The THP and PT Series tubular latches provide the latch assemblies that keep interior residential and light commercial doors functioning correctly. Each line has specific parts requirements and ordering decisions that differ from standard cylindrical lock parts.

Browse the complete CS210 interconnected lock parts catalog, HL6 hospital latch lock parts catalog, and tubular lock parts catalog at SecurityParts.com. For the full Schlage commercial hardware range, browse the Schlage commercial hardware catalog.

Schlage CS210 Interconnected Lock: What It Is and Why It Exists

The Schlage CS210 is a Grade 2 interconnected lock designed exclusively in the CS210 entrance function (B500 commercial or B60 residential deadbolt housing with single-cylinder entry). The interconnected design solves a specific code problem on multifamily residential doors: building codes and NFPA 101 require that doors on means of egress can be opened in a single motion from the inside. When a door has both a separate deadbolt and a separate latch lock, the occupant must turn the deadbolt and then the latch lever separately to exit. That is two motions, which does not comply with single-motion egress requirements.

The CS210's mechanical link between the deadbolt and latch bolt resolves this: turning the inside lever once retracts both simultaneously. The exterior side maintains normal security: the deadbolt requires a key, the latch requires a lever. But from the inside, one motion provides immediate egress regardless of whether the deadbolt is locked.

CS210 Specifications and Key Technical Details

Deadbolt and Latch Dimensions

The CS210 deadbolt is a 1-inch throw with a 1-inch diameter housing. The faceplate is dual option (square corner standard, round corner included in the package), 1 inch by 2-1/4 inches. The deadbolt requires a 1-inch edge bore.

The latch bolt is 1-5/8 inch by 2-1/4 inch with a dual option faceplate. The backset is adjustable and fits both 2-3/8-inch and 2-3/4-inch door preparations, eliminating the need to specify backset at order time for most standard door configurations.

Adjustable Escutcheon for 4-Inch and 5-1/2-Inch Door Preps

The CS210 includes an adjustable escutcheon that supports either 4-inch or 5-1/2-inch center-to-center door preparations from the same unit. This is an underappreciated practical specification advantage on multifamily renovation projects where existing doors may have been prepared for different center-to-center dimensions by different manufacturers over decades of construction. The single adjustable escutcheon eliminates the need to specify the exact existing door prep at the time of order, reducing re-order rates on renovation projects where the existing door prep has not been documented.

Door Thickness Range

The CS210 accommodates standard door thicknesses of 1-3/4 inches to 2 inches. The 1-3/8-inch door thickness version is available but must be specifically noted at the time of ordering. Most commercial and multifamily doors are 1-3/4 inches, so the standard version covers the majority of applications. When the CS210 is specified for older wood-frame residential construction where 1-3/8-inch doors remain common, the thinner door specification must be confirmed before ordering.

Cylinder Options and the SFIC Limitation

The CS210 is available with conventional 6-pin cylinders (standard S123 keyway, keyed different), Full Size Interchangeable Core (FSIC) cylinders, and Small Format Interchangeable Core (SFIC) cylinders. The choice matters for key system management.

SFIC cylinders allow the core (the inner cylinder with the keyway and pins) to be exchanged in the field in seconds without any tools or disassembly of the lock. This rapid core exchange makes SFIC the preferred choice for high-security institutional applications where rekeying must be completed quickly after a key loss event.

CS210 Parts Reference

Schlage HL6 Hospital Latch: Parts and Critical Design Features

The Schlage HL6 is not a cylindrical lock or mortise lock in the conventional sense. It is a push-pull latch designed specifically for healthcare environments where the operating format of standard levers is inadequate. A lever requires a gripping and rotating motion. A paddle requires only a push or pull with any part of the body including elbow, forearm, hip, or foot. This hand-free operation capability is not optional on many healthcare door applications: infection control protocols in ICU, surgical, and isolation environments prohibit hand contact with door hardware except through gloves.

HL6 Versions: Mortise vs Tubular

The HL6 Series comes in both mortise and tubular body versions. The mortise version uses the Schlage L Series chassis and mortise door preparation, providing superior strength and the full range of function options. The tubular version uses a standard tubular bore preparation, making it retrofittable to existing hollow-core residential-style doors in renovation applications without requiring a mortise pocket.

Parts at SecurityParts.com for the HL6 include cover assemblies (the decorative cover over the latch body), mortise paddle assemblies (engraved and non-engraved), tubular paddle assemblies (engraved and non-engraved), and the bent tab mortise strike kit for the mortise version.

Engraved vs Non-Engraved Paddle Assemblies

The HL6 paddle assembly is available in two surface finishes: non-engraved (smooth paddle face) and engraved (textured or marked paddle face). The engraved version provides a tactile surface and is required by some healthcare facility infection control standards that specify textured surfaces on frequently touched hardware to reduce smooth-surface pathogen transfer. The non-engraved version is appropriate for facilities that prefer a smooth aesthetic surface or where the engraved texture is not specified.

When replacing a paddle assembly on an existing HL6 installation, confirm whether the existing paddle is engraved or non-engraved before ordering, since both types are available in the parts catalog at the same product positions but are distinct assemblies.

The 50 Percent Quieter Redesign

Schlage redesigned the HL Series to achieve 50 percent quieter paddle operation compared to the previous product. This noise reduction is a documented clinical benefit: hospital noise levels directly correlate with patient recovery outcomes and staff performance accuracy in multiple clinical studies. Door hardware noise in patient corridors is a contributor to the ambient noise environment that regulatory standards (specifically ANSI/ASA S12.60 and Joint Commission environment of care standards) measure and regulate.

When replacing a paddle on an existing HL6 installation, the replacement paddle assembly from the current parts catalog carries the quieter design. If the facility is replacing older pre-redesign HL Series hardware with current HL6 parts, the noise level reduction is a verifiable improvement that can be documented for Joint Commission environmental surveys.

Key Override Anti-Barricade Function

The HL6 optional key override allows an outside key to retract the latch or deadbolt even when the inside thumbturn is actively held in the locked position. This function exists specifically for behavioral health and psychiatric care environments where a patient may use the inside thumbturn to prevent staff from entering during a self-harm event or mental health crisis.

Standard locks (including standard mortise and cylindrical locks) cannot be opened from the outside when the inside thumbturn is being held. A patient who turns the thumbturn and holds it effectively barricades the room. The HL6 key override breaks this barricade without requiring staff to force the door. Available on three HL6 functions. This is a joint healthcare design requirement that involves input from clinical staff, risk management, and facility management on any behavioral health project.

HL6 Parts Reference

Schlage THP and PT Series Tubular Lock Latches

The Schlage THP (Tubular Hardware Product) and PT Series latches are the latch assemblies used in the Schlage LT Series decorative tubular locks and related families. These are not complete locks: they are the latch component that installs in the edge bore and provides the spring-loaded bolt that holds a door closed. When the lever or knob is turned, it activates the latch to retract the bolt.

THP-8201 Spring Latch: Standard Passage Latch

The THP-8201 is a spring latch (passage function) for tubular lock installations. It is the most commonly replaced tubular latch component because the latch bolt is subject to direct physical stress on every door cycle: the bolt must retract on lever operation and spring back to extended position when the lever is released. Over years of high-cycle use, the spring loses tension and the bolt may not fully extend, causing the door to not latch reliably.

The THP-8201-CH uses a 2-3/8-inch backset (standard for interior residential and light commercial doors). The fire-rated version is THP-8201-CH-F. The THP-8301-CH uses a 2-3/4-inch backset (standard for commercial doors). Ordering the wrong backset produces a latch that extends to the wrong position for the strike, causing either the door not latching or the latch hitting the strike face rather than engaging the strike pocket.

THP-8219 Privacy Latch: Anti-Lockout Design

The THP-8219 is a privacy latch with a restoring function that prevents accidental lockouts. In standard privacy sets (bathroom and bedroom locks), the inside push button or thumbturn locks the outside lever. If the inside button is accidentally pressed and the door closes, the occupant is locked out. The privacy latch restoring function means the privacy mechanism automatically releases when the door is opened from the inside, requiring the privacy lock to be deliberately re-engaged on each use.

The THP-8219-CH uses a 2-3/8-inch backset. The fire-rated version is THP-8219-CH-F. The 2-3/4-inch backset version is THP-8319-CH. When ordering any THP-8219 replacement, measure the backset of the existing latch before ordering. The same door that uses THP-8201-CH for passage will use THP-8219-CH for privacy, matching backsets throughout a project.

Backset Selection: The Only Critical Measurement

The backset is the single measurement that determines which THP latch to order. It is measured from the edge of the door (where the latch bolt projects) to the center of the cylindrical bore hole in the door face. Two standard backsets exist:

2-3/8 inch (THP-8201-CH, THP-8219-CH): Standard for interior residential and light commercial doors. Interior hollow-core doors in apartments, hotel rooms, offices, and classrooms typically use 2-3/8-inch backset.

2-3/4 inch (THP-8301-CH, THP-8319-CH): Standard for heavier commercial doors including hollow metal and solid wood commercial doors. Most commercial lever lock installations on 1-3/4-inch hollow metal doors use 2-3/4-inch backset.

Fire-Rated THP Latches

Fire-rated versions of THP latches add the -F suffix: THP-8201-CH-F and THP-8219-CH-F. Fire-rated latches are required on doors with UL-listed fire door assemblies. The fire-rated latch uses materials and construction that maintain the latch function under the elevated temperature conditions of a fire event, preventing the latch from failing prematurely and allowing the door to remain latched (providing the fire separation) longer than a standard latch would under fire conditions. Installing a standard non-fire-rated latch in a fire-rated door assembly invalidates the UL listing of the assembly.

LT Series Tubular Locks: Coordinated Appearance with L Series

The Schlage LT Series tubular lock is designed specifically to match the appearance and lever family of the Schlage L Series mortise lock. This is a significant specification detail for projects where some doors use L Series mortise locks (high-security entries, stairwells, main corridors) and other doors use lighter-duty tubular hardware (utility rooms, storage, interior corridors). Matching the lever design, finish, and rose style across both series creates visual consistency throughout the building that is otherwise impossible when mixing hardware families.

The LT Series uses the same lever designs as the L Series, manufactured from solid brass or solid stainless steel for the same weight and feel as the mortise hardware. Levers move both up and down (not just down as on many tubular locks), matching the bidirectional lever operation of the L Series. The inside lever operates independently from the outside lever, providing a higher-end operation where inside lever movement does not affect the outside lever position.

When the LT Series is specified as part of an L Series project, THP latch parts ordered for the LT Series should match the backset, latch function, and fire-rating requirements of the door the LT Series lock is installed on. The THP latch is the only replacement component needed for most LT Series service calls because the LT Series chassis and lever are robust enough to outlast the latch spring in most commercial applications.

Browse the complete CS210 interconnected lock parts, HL6 hospital latch parts, and tubular lock parts at SecurityParts.com. For the broader Schlage hardware range including ND Series cylindrical lock parts, L Series mortise lock parts, B Series deadbolt parts, and CL Series cabinet lock parts, browse the Schlage commercial hardware catalog. Pre-order support is at 845-935-0301 or the contact page.

Related Parts and Products at Security Parts

CS210, HL6, and THP locks appear alongside standard cylindrical locks, deadbolts, and door closers throughout commercial and healthcare facilities. Most building service calls cover multiple lock product lines simultaneously.

For Schlage ND Series and ALX Series cylindrical lock parts on secured corridor doors in the same building, browse the cylindrical locks catalog. For Schlage L Series mortise lock parts on main entries and high-security doors, browse the mortise locks catalog. For Schlage B Series deadbolt parts on secondary exits in the same facility, browse the deadbolts catalog. For Schlage CL Series cabinet lock parts on medication storage and filing cabinets in the same key system, browse the cabinet locks catalog. For LCN door closer parts on fire-rated corridor doors in the same building, browse the door closers catalog.

Browse the complete all products and parts catalog to source Schlage, Von Duprin, LCN, Falcon, and Detex hardware across the complete facility in a single session.