1. Product Overview
The Master Lock 192D padlock features a 1-3/4-inch (44mm) wide body with a translucent finish. It includes a shrouded hardened steel shackle for enhanced protection against cutting and matching covered key heads for easy identification. This padlock is designed for indoor use.
Key Features
- Chrome plated zinc construction: Ensures durability and resistance to corrosion.
- Hardened steel shackle: Provides extra cut resistance for enhanced security.
- Matching colored key head: Offers convenience for easy key identification.
- Shackle dimensions: 5/8-inch (16mm) x 3/4-inch (19mm) clearance.
- Front access keyway: Designed for convenient key insertion and operation.
- Pin tumbler mechanism: Offers maximum pick resistance.

2. Package Contents
The Master Lock 192D package typically includes the following items:
- One (1) Master Lock 192D Padlock
- Two (2) Keys with matching colored heads
3. Setup
3.1 Initial Inspection
Upon unboxing, carefully inspect the padlock and keys for any signs of damage or manufacturing defects. Ensure all components are present as listed in the package contents.
3.2 Key Identification
The Master Lock 192D comes with keys that feature matching colored heads to the padlock body. This design aids in easy identification, especially if you own multiple keyed padlocks. It is recommended to keep one key in a safe, accessible location and the other as a spare.

4. Operating Instructions
4.1 Unlocking the Padlock
- Insert the correct key into the keyway located at the front of the padlock.
- Turn the key clockwise until the shackle springs open or can be pulled open freely.
- Remove the shackle from the secured items.
- Remove the key from the padlock.
4.2 Locking the Padlock
- With the padlock open, position the shackle around the items you wish to secure.
- Align the shackle ends with the holes in the padlock body.
- Push the shackle firmly into the padlock body until it clicks into place.
- Turn the key counter-clockwise and remove it. The padlock is now locked.

5. Maintenance
To ensure optimal performance and longevity of your Master Lock 192D padlock, regular maintenance is recommended:
- Cleaning: Keep the keyway and shackle clean and free of dirt, dust, and debris. Use a soft, dry cloth to wipe down the padlock body.
- Lubrication: Periodically, apply a small amount of graphite lubricant (powdered graphite) to the keyway. This helps maintain smooth operation of the internal mechanism. Avoid using oil-based lubricants as they can attract and trap dirt, potentially causing the mechanism to jam.
- Storage: When not in use, store the padlock in a clean, dry environment to prevent rust or corrosion, especially if used in humid conditions.
6. Troubleshooting
6.1 Key Does Not Turn
- Ensure the key is fully inserted into the keyway.
- Verify that you are using the correct key for this specific padlock.
- Check for any visible obstructions or debris inside the keyway. If found, try to gently remove them.
- Do not force the key, as this can damage the key or the lock mechanism.
6.2 Shackle Does Not Open or Close Smoothly
- Inspect the shackle legs and the shackle holes on the padlock body for any dirt, grime, or obstructions.
- Apply a small amount of graphite lubricant to the shackle legs and the keyway, then try operating the padlock several times to distribute the lubricant.
- Ensure the shackle is properly aligned when attempting to close the padlock.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Master Lock |
| Model Number | 192D |
| Lock Type | Key Lock |
| Material | Alloy Steel, Chrome, Zinc |
| Item Dimensions (L x W x H) | 6.56 x 3.5 x 1.38 inches (16.66 x 8.89 x 3.51 cm) |
| Special Feature | Shrouded Hardened Steel Shackle, Assorted Translucent Colors with Matching Covered Key Heads |
| Recommended Uses | Indoors (e.g., Sheds, Gates, Lockers, Bikes) |
| Included Components | Padlock, Keys |
| Manufacturer | Master Lock |
8. Warranty and Support
The Master Lock 192D Translucent Front Access Padlock is backed by a Limited Lifetime Warranty. This warranty covers defects in material and workmanship under normal use.
For warranty claims, product support, or further assistance, please contact Master Lock customer service directly. Refer to the official Master Lock website (www.masterlock.com) for current contact information, FAQs, and additional product resources.