Von Duprin 880K-NL Night Latch Knob Exit Device Trim for 88 Series, Heavy Duty Grade 1, Non-Handed

Von Duprin 880K-NL Night Latch Knob Exit Device Trim for 88 Series, Heavy Duty Grade 1, Non-Handed

Professional Night Latch Knob Trim for 88 Series Wide-Style Exit Devices

The Von Duprin 880K-NL is a heavy-duty Grade 1 Night Latch Knob Exit Device Trim engineered for use with the Von Duprin 88 Series exit devices. The 88 Series is a wide-style crossbar device available in Rim, Surface Mounted Vertical Rod, Concealed Vertical Rod, and Mortise configurations, supporting both panic and fire rated applications. Constructed from heavy 10 gauge (2.4 mm) brass, bronze, or stainless steel, the 880 Series trim delivers exceptional durability and a 2 3/4" (70 mm) projection. The non-handed design and flexible field sizing make this trim a versatile solution for commercial door hardware installations.

Professional Features & Benefits

• Night Latch Function: Knob, Night Latch (880K-NL) function provides controlled entry while maintaining compliant egress through the 88 Series exit device.
• Heavy-Duty Construction: Fabricated from heavy 10 gauge (2.4 mm) brass, bronze, or stainless steel for long-lasting performance in demanding commercial environments.
• Non-Handed Design: Universal non-handed configuration simplifies specification, ordering, and installation across a wide range of door applications.
• Product Projection: 2 3/4" (70 mm) projection provides ergonomic knob placement and clearance for smooth, reliable operation.
• Rim Center Line Dimensions: A 39 13/16" (1011 mm) and B 36 13/16" (935 mm) rim center line measurements ensure precise alignment with compatible 88 Series exit devices.
• 88 Series Compatibility: Designed exclusively for use with 88 Series exit devices, available in Rim, Surface Mounted Vertical Rod, Concealed Vertical Rod, and Mortise configurations for panic and fire rated applications.
• Available Trim Functions: The 880 Series trim line includes 880DT, 880K, 880NL, and 880TP functions, with an optional 880EO exit only trim plate also available. To order with the exit device, specify 88EOx880EO.
• Grade 1 Heavy Duty Rating: Meets Grade 1 Heavy Duty standards for commercial applications requiring the highest level of performance and reliability.

Technical Specifications

• Subcategory: Exit Device Trim
• Series: 88 Exit Trim
• Grade: Grade 1
• Duty Level: Heavy Duty
• Compatibilty: 88 Series Exit Devices
• Product Group: Exit Devices and Trim
• Product Subgroup: Exit Device Trim
• Product Type: Exit Device Trim
• Commercial/Residential: Commercial
• Rim Center Line: A 39 13/16 (1011 mm) B 36 13/16 (935 mm)
• Product Model: 880K-NL
• Product Function: Knob, Night Latch
• Door Hand Direction: Non-Handed
• Product Projection: 2 3/4" (70 mm)
• Product Category: Exit Devices and Trim
• Department: Door Hardware

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose Von Duprin Quality?

Von Duprin exit device trim products deliver professional-grade reliability through heavy 10 gauge (2.4 mm) brass, bronze, or stainless steel construction, meeting Grade 1 Heavy Duty standards for the most demanding commercial applications. The 880K-NL's non-handed design and flexible field sizing reduce installation complexity while ensuring consistent, dependable performance. Engineered for compatibility with the full range of 88 Series exit device configurations, Von Duprin trim is the trusted choice for commercial facilities where code compliance and long-term durability are essential.