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Hager 1279 NRP 4-1/2" x 4-1/2" Full Mortise - Plain Bearing Hinge, Steel with Plated Finish
The Hager 1279 NRP is a commercial-grade Full Mortise Plain Bearing Hinge engineered for security and reliability on standard-weight doors. Designed specifically for 1-3/4" thick doors, this 4.5" x 4.5" steel hinge is the industry benchmark for low-frequency service doors where added security is a priority. Featuring a Non-Removable Pin (NRP), this hinge provides a robust defense against tampering, making it ideal for exterior outswing doors in offices, residential complexes, and light commercial spaces.
High-Security NRP Technology
The Hager 1279 NRP features a critical security innovation designed to protect your facility from forced entry.
- Tamper-Resistant Design: The Non-Removable Pin (NRP) includes a specialized set screw in the barrel that is only accessible when the door is open. This prevents intruders from tapping out the hinge pins from the outside to remove the door leaf.
- Essential for Outswing Doors: On doors that swing outward, the hinge barrel is exposed to the exterior. The NRP feature mitigates the risk of hinge manipulation, providing long-term durability and peace of mind.
- Professional Grade Security: Perfect for storage rooms, back exits, and any opening where security is a primary concern.
Technical Specifications
| Feature | Details |
| Model | Hager 1279 NRP |
| Hinge Type | Full Mortise / Plain Bearing |
| Dimensions | 4-1/2" x 4-1/2" (114 mm x 114 mm) |
| Metal Thickness | .134 Gauge (Standard Weight) |
| Material | Steel with Steel Pin |
| Security Feature | NRP (Non-Removable Pin) |
| ANSI Standard | ANSI A8133 |
| Door Thickness | Standard 1-3/4" (44 mm) |
| Pin Style | Non-rising removable pin with button tip and plug |
Hardware & Finish Options
| Category | Details |
| Stock Finishes | USP (Prime), US26D (Satin Chrome), US10, US10A, US3 |
| Custom Finishes | US4, US10B, US15, US26 (Available by Quote) |
| Fasteners | 1-1/4" x 12 FPHW (Wood) & 1/2" 12-24 FPHM (Machine) |
| Specialty Tips | Hospital, Ball, Acorn, Steeple, Urn (Available by Quote) |
| Corner Prep | Square (Standard), 1/4" or 5/8" Radius (By Quote) |
Why Choose the Hager 1279 NRP?
For facility managers and contractors, the Hager 1279 NRP represents a high-intent hardware choice that balances budget with essential security. Its five-knuckle design provides a clean, flush-mounted appearance, while the included hardware for both wood and metal frames offers maximum versatility for any project.
Important Application Note: Per industry safety standards, doors equipped with automatic closers or those designated as UL Fire Rated Doors should utilize ball bearing hinges (such as the Hager BB1279) to handle increased lateral stress.
Ideal Applications:
- Exterior Outswing Doors: Protecting exposed hinges from tampering.
- Commercial Office Interiors: Durable support for private offices and conference rooms.
- Apartment Exit Doors: Providing a cost-effective, secure pivot point.
- Maintenance & Utility Rooms: Ensuring restricted access stays secure.
| General - US Finishes | US26D - Satin Chrome or US3 - Polished Brass or US10 - Satin Bronze or USP - Prime Painted |
| Brand | Hager |
| Hinge Height | 4.5" Hi |
| Hinge Width | 4.5" Wi |
| Hinge Grade/Thickness | Standard Wt .119 to .146 |
| Hinge Type | Full Mortise |
| Hinge Options | NRP (Non Removable Pin), Plain Bearing |
| Base Material | Steel |
| Hinge Corners | Square |
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