SCREW, CAP, SOCKET (P/N abyk4-7) - New Surplus

The abyk4-7 is a socket head cap screw for securing connector assemblies in aircraft wiring harnesses. This steel fastener conforms to NAS1352 and MS16997 aerospace standards, commonly used to attach circular connector backshells, clamp rings, and mounting flanges on panel-mounted connectors like MIL-DTL-38999 series. Installation requires torque specification per FAA AC 43.13-1B or the applicable aircraft maintenance manual to ensure proper clamping force without over-tightening.

What is the SCREW, CAP, SOCKET (P/N abyk4-7)?

The abyk4-7 is a socket head cap screw for securing connector assemblies in aircraft wiring harnesses. This steel fastener conforms to NAS1352 and MS16997 aerospace standards, commonly used to attach circular connector backshells, clamp rings, and mounting flanges on panel-mounted connectors like MIL-DTL-38999 series.

Is the abyk4-7 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The SCREW, CAP, SOCKET 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 abyk4-7 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 abyk4-7?

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.