Hager 3840S 3800 Series Grade ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$575.92
$332.26

Hager 3840S 3800 Series Grade 1 Privacy Mortise Lock with 2-3/4" Backset

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Model: 3840S US3
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$575.92
$332.26
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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

  1. 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.
  2. 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.
  3. Prepare door by cutting mortise pocket and drilling required holes for the 2-3/4" backset configuration and 3-5/8" CTC length specifications.
  4. Install the mortise chassis and secure with concealed thru-bolts per manufacturer torque specifications, ensuring proper alignment with door edge.
  5. Adjust the field-reversible mechanism for proper handing and test the 3/4" throw latchbolt operation with anti-friction tongue for smooth function.
  6. 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

Hager 3840S US3 – Frequently Asked Questions

How fast can I get the Hager 3840S US3 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Hager 3840S US3 come with a warranty?
Absolutely. The Hager 3840S US3 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Hager 3840S US3?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Hager 3840S US3 from ZenSupply?
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