Hager 3840S 3800 Series Grade 1 Privacy Mortise Lock with 2-3/4" Backset
Heavy-Duty Commercial Privacy Lock Solution
The Hager 3840S from the 3800 Series delivers Grade 1 commercial-grade privacy lock performance with a 2-3/4" backset and non-keyed operation. This mortise lock features a 4-5/16" x 6" x 1" lock chassis with 3/4" throw latchbolt and accommodates door thickness from 1-3/4" to 2". BHMA certified to ANSI A156.13 Series 1000 Grade 1 standards and UL listed for 3-hour fire rating applications.
Professional Features & Benefits
- Grade 1 Commercial Rating: BHMA certified to ANSI A156.13 Series 1000 Grade 1 for heavy-duty commercial, industrial, and institutional applications.
- Precision Backset: 2-3/4" (70mm) backset with 3-5/8" (92mm) CTC length for standard commercial door preparations.
- Robust Lock Chassis: 4-5/16" x 6" x 1" (110mm x 152mm x 25mm) mortise chassis provides exceptional strength and durability.
- High-Performance Latchbolt: 3/4" (19mm) throw with anti-friction tongue in all stainless steel construction for smooth operation.
- Fire-Rated Construction: UL/cUL listed for all functions up to 3 hours "A" label single doors with UL10C Positive Pressure rating.
- Field-Reversible Design: Body is easily field reversible with concealed thru-bolts and no exposed mounting screws for clean installation.
- Emergency Access: Privacy function (F22) includes emergency release on exterior side via supplied key for safety compliance.
- Lifetime Manufacturer Warranty: Comprehensive lifetime warranty coverage for long-term confidence and protection.
Technical Specifications
- ANSI/BHMA: BHMA Certified ANSI A156.13, Series 1000, Grade 1
- Applications: Heavy Duty Commercial
- Backsets: 2-3/4" (70mm)
- Certifications: ADA Compliant ANSI A117.1 Accessibility Code
- Commercial/Residential: Commercial
- CTC Length: 3-5/8" (92mm)
- Cylinder and Keyways: 6 Pin Cylinders, Schlage C Keyway
- Door Strike: 1-1/4" x 4-7/8" ASA strike
- Door Thickness: 1-3/4" - 2" (45 mm - 51 mm) Please specify door thickness if greater than 1-3/4" (45 mm) or the door has an offset prep
- Electronic: No
- Exposed Trim: Cast Zinc -Standard
- Finishes: US3, US4, US10B, US26, US26D, US32D*
- Functions: Privacy (F22)
- Keyed: No
- Lever Options: Archer, August, Charles, Johnston, Joshua, Louis, Warren, William and Withnell
- Lock Chassis: 4-5/16" x 6" x 1" (110 mm x 152 mm x 25 mm)
- Lock Type: 3/4" (19 mm) throw with anti-friction tongue, all stainless steel
- Notes: Emergency release on exterior side via supplied key
- Options: Tactile Warning
- Rose Diameter: 2-7/16" (62mm)
- Strikes: 1-1/4" x 4-7/8" (32 mm x 124 mm) ASA strike
- Subcategory: Cylindrical Locks
- Warranty: Lifetime
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness (1-3/4" to 2"), mortise pocket dimensions, and handing requirements for this mortise lock.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for the 4-5/16" x 6" x 1" lock chassis.
- Prepare door by cutting mortise pocket and drilling required holes for the 2-3/4" backset configuration and 3-5/8" CTC length specifications.
- Install the mortise chassis and secure with concealed thru-bolts per manufacturer torque specifications, ensuring proper alignment with door edge.
- Adjust the field-reversible mechanism for proper handing and test the 3/4" throw latchbolt operation with anti-friction tongue for smooth function.
- Test privacy function operation including emergency release mechanism and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.
Professional Applications
- Commercial Office Buildings
- Educational Facilities
- Healthcare Institutions
- Industrial and Warehouse Facilities
- Institutional Buildings
- Multi-Tenant Residential Properties
- Government and Municipal Buildings
Why Choose Hager Quality?
Hager 3800 Series mortise locks deliver professional-grade reliability with cast zinc construction and all stainless steel latchbolt components rated for Grade 1 commercial performance. Lifetime warranty coverage and UL fire rating certification provide added confidence for demanding commercial applications. Engineered for heavy-duty commercial, industrial, and institutional environments where dependable privacy lock performance is essential.
Grade 1 mortise lock engineered for commercial and institutional openings. Anti-friction latchbolt with full deadbolt.Support Resources
Manufacturer Resources
Product Specs
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Product Type:
- Mortise Locks
- Subcategory:
- Cylindrical Locks
- ANSI/BHMA:
- BHMA Certified ANSI A156.13, Series 1000, Grade 1
- Keyed Function:
- Non-Keyed
- Commercial/Residential:
- Commercial
- Keyed:
- No
- Lock Type:
- Cylindrical
- Cylinder and Keyways:
- 6 Pin Cylinders, Schlage C Keyway
- Product Attribute:
- Mortise Locks
- Electronic:
- No
- Product Model:
- 3840S
- Product Function:
- Privacy/Bed/Bath
- Door Thickness Range:
- 1-3/4" - 2"
- Door Strike:
- 1-1/4" x 4-7/8" ASA strike
- Product Category:
- Mechanical Locks
- Department:
- Door Hardware