BOLT, 100 DEGREE COUNTERSUNK (P/N a174-4d) - New Surplus

The a174-4d is a 100-degree countersunk bolt designed for flush, load-bearing fastening in aircraft structures. This fastening solution provides a smooth aerodynamic surface when installed in skin and panel attachments. The 100-degree head angle matches NAS flush-bolt geometry standards commonly used in general aviation and commercial aircraft.

Installation requires countersinking to the correct depth and torque specifications per the aircraft maintenance manual. Verify applicability through the Illustrated Parts Catalog before use.

What is the BOLT, 100 DEGREE COUNTERSUNK (P/N a174-4d)?

The a174-4d is a 100-degree countersunk bolt designed for flush, load-bearing fastening in aircraft structures. This fastening solution provides a smooth aerodynamic surface when installed in skin and panel attachments.

What conditions is the a174-4d available in?

The a174-4d is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.

How do I get pricing for the a174-4d?

The a174-4d requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.

Do you offer expedited shipping for the a174-4d?

Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.