SCREW (P/N ln9438m4x20) - New Surplus

The ln9438m4x20 is an M4 x 20 countersunk screw conforming to ISO metric thread specifications. Part of the LN9438 aerospace fastener family, this screw features a flush-head design for panel attachment applications where aerodynamic contour or recessed fastening is required. Used in Airbus Helicopters airframe assemblies and general aviation structural connections.

Installation follows aircraft maintenance manual requirements and applicable ISO metric screw tolerances. The countersunk profile eliminates protrusions, making it ideal for control surfaces, access panels, and fuselage sections.

What is the SCREW (P/N ln9438m4x20)?

The ln9438m4x20 is an M4 x 20 countersunk screw conforming to ISO metric thread specifications. Part of the LN9438 aerospace fastener family, this screw features a flush-head design for panel attachment applications where aerodynamic contour or recessed fastening is required.

Does the ln9438m4x20 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The SCREW 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 ln9438m4x20 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 ln9438m4x20.

Can I order the ln9438m4x20 in custom quantities?

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