SCREW,TAPPING (P/N an531-4r6) - New Surplus
P/N: an531-4r6
Category: Screws
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| New Surplus | 102 Available |
Product Description
The AN531-4R6 is a #4 by 3/8 inch steel tapping screw with an 82° flat countersunk head and Phillips drive. Built to Army-Navy standard specifications, this fastener forms its own mating thread in light-gauge sheet metal and thin materials. The countersunk head sits flush with the surface for aerodynamic installations on aircraft fuselage panels, access covers, and structural sheet-metal components.
Installation requires proper countersink depth and Phillips driver torque per the aircraft maintenance manual to ensure secure fastening without material damage or thread stripping.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the SCREW,TAPPING (P/N an531-4r6)?
The AN531-4R6 is a #4 by 3/8 inch steel tapping screw with an 82° flat countersunk head and Phillips drive. Built to Army-Navy standard specifications, this fastener forms its own mating thread in light-gauge sheet metal and thin materials.
What conditions is the an531-4r6 available in?
The an531-4r6 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 an531-4r6?
The an531-4r6 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 an531-4r6?
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.