FUSE ASSY (P/N s3491-2) - New Surplus

The s3491-2 is a fuse assembly that protects aircraft electrical circuits from overcurrent conditions. This component houses a fuse element rated to MIL-PRF-15160 specifications and opens the circuit when current exceeds safe limits, preventing wire damage and equipment failure. Installed inline near the bus or equipment input on power distribution lines, the assembly integrates into panel-mounted or in-line configurations.

Installation location and fuse rating are determined by the aircraft wiring diagram and approved maintenance manual, with placement per FAA AC 43.13-1B guidance.

What is the FUSE ASSY (P/N s3491-2)?

The s3491-2 is a fuse assembly that protects aircraft electrical circuits from overcurrent conditions. This component houses a fuse element rated to MIL-PRF-15160 specifications and opens the circuit when current exceeds safe limits, preventing wire damage and equipment failure.

Is the s3491-2 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The FUSE ASSY is available in: New Surplus. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the s3491-2 come with an 8130-3 airworthiness tag?

Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.

Do you offer bench testing for the s3491-2?

We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.