Skip to main content

Rail yard safety equipment | Bulk quotes | Product selection help | A MAS brand

A MAS brand
Derail Padlock 3/8″ x 2-1/2″ Shackle – Not Keyed Alike

Manufacturer photos. Review the selected model and configuration when requesting a quote.

Aldon equipment

Derail Padlock 3/8″ x 2-1/2″ Shackle – Not Keyed Alike

Model / part 4124-96

A derail padlock with a double-locking hardened-steel shackle and a solid-brass, four-pin cylinder.

Get the right equipment for your application.

Add this item to your list or send us a question. Include the quantity and rail details you have available.

Review your quote list →

Product details

A derail padlock with a double-locking hardened-steel shackle and a solid-brass, four-pin cylinder. This version uses different key combinations within the same order and includes two keys per lock.

Features and application limits

  • Shackle: 3/8 in. × 2-1/2 in.; weight: 2 lb.
  • Different keying is guaranteed only within the current order; keys may match locks purchased on another order.

Use the current manufacturer instructions and your facility’s procedures for installation, inspection and operation. Ask us to confirm the selected model against your application.

Continue comparing

Related equipment

One coordinated industrial network

Operated and supported by Modular Access Systems LLC.

Canonical product and procurement source for broad rail-yard safety equipment.

About the Modular Access Systems network

Product selection & quotes

Tell us what your yard needs.

Send a model number, an equipment list or a short description of the job. We will help you work through the options.

  • Chocks, derails, skates and rerailers
  • Replacement parts and accessories
  • Single-location and multi-site requests

We use your details to respond to your request. Privacy policy

Explore the MAS brands

Specialist products. One Modular Access Systems family.