About this product S4933959-513 is a yellow FAA-PMA aircraft circuit breaker lockout ring manufactured by Paco Plastics & Engineering. The nylon 6/6 safety ring features a hole for optional tagging and is supplied without a tag. Designed for installation on Klixon and similar aircraft circuit breakers, the lockout ring helps prevent inadvertent closing or resetting of a circuit breaker during aircraft maintenance and operational procedures. S4933959-513 is part of Paco's Boeing-licensed S4933959 circuit breaker lockout series. * Manufacturer certifications are shipped with your order FREE of charge
| Part Number or Model | S4933959-513 |
| Description | Lockout Ring |
| Schedule B Class | 3917.29.0090 |
| ECCN (Export Control Class) | 9A991d |
| Application | Aircraft Circuit Breaker Safety Lock / Lockout Ring |
| Configuration | Ring with Hole Only |
| Tag Included | No |
| Color | Yellow |
| Material | Nylon 6/6 LP-410 |
| Installation | Hand Installed / Removable |
| Function | Prevents Inadvertent Closing of Circuit Breaker |
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