Not all lacing cords are created equal. Here is what separates MIL-T-43435 military specification lacing cord from commercial grade options, and when you need each.
The Key Differences
| Feature | MIL-T-43435 | Commercial Grade |
|---|---|---|
| Tensile Strength | 100 lbs minimum (Type I) | Typically 60-90 lbs |
| Diameter Tolerance | ±0.002 inches | ±0.005 inches |
| Material Purity | 100% Nylon required | May vary |
| Documentation | C of C required | Not typically required |
| Testing | Per MIL-STD-105 sampling | May not be tested per lot |
| Cost | Higher (15-30% premium) | Lower cost |
When to Use MIL-T-43435
- Military prime contracts require it
- Aerospace applications following DO-160 or FAR 25
- Programs with government inspection requirements
When Commercial Grade is Acceptable
- Commercial electronics manufacturing
- Industrial wiring applications
- Non-critical cable management