SCREW-100 FLAT HEAD CLOSE TOL. (P/N nas517-3-8) - New Surplus

The NAS517-3-8 is a #10-32 UNF flat head machine screw with a 100° countersink angle and cross-recess drive. Manufactured in steel to NAS517 specifications, this close-tolerance fastener creates a flush surface when installed in matching countersunk holes. Used in aircraft panel-to-structure joints where aerodynamic smoothness and precise alignment are critical.

Installation requires proper grip length selection and torque application per aircraft maintenance manual guidelines. The close-tolerance design ensures consistent fit in aerospace assemblies.

What is the SCREW-100 FLAT HEAD CLOSE TOL. (P/N nas517-3-8)?

The NAS517-3-8 is a #10-32 UNF flat head machine screw with a 100° countersink angle and cross-recess drive. Manufactured in steel to NAS517 specifications, this close-tolerance fastener creates a flush surface when installed in matching countersunk holes.

Does the nas517-3-8 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The SCREW-100 FLAT HEAD CLOSE TOL. conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.

What material is the nas517-3-8 manufactured from?

Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the nas517-3-8.

Can I order the nas517-3-8 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The SCREW-100 FLAT HEAD CLOSE TOL. is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.