BOLT: (P/N 553-172) - New Surplus

The 553-172 is a steel aircraft bolt designed for structural and systems attachments. This fastener provides secure clamping in bracket installations, equipment mounts, and assembly joints. Steel construction offers high strength for load-bearing applications.

Installation requires matching the bolt diameter, thread pitch, and grip length to joint specifications per AN, MS, or NAS standards. Use with appropriate aerospace-grade nuts and washers, ensure grip length matches assembly thickness, and torque according to maintenance manual requirements and AC 43.13-1B guidance.

What is the BOLT: (P/N 553-172)?

The 553-172 is a steel aircraft bolt designed for structural and systems attachments. This fastener provides secure clamping in bracket installations, equipment mounts, and assembly joints.

What conditions is the 553-172 available in?

The 553-172 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 553-172?

The 553-172 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 553-172?

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.