SCREW (P/N sc657) - New Surplus

The sc657 is an aerospace screw designed for nonstructural fastening in airframe and avionics installations. This hardware secures access panels, brackets, and equipment assemblies where vibration resistance and reliable retention are required. The screw conforms to AN, MS, or NAS aerospace standards and requires traceable supply documentation for certificated aircraft.

Installation follows Illustrated Parts Catalog specifications and AC 43.13 safetying guidance, typically using lock washers or self-locking features to prevent loosening during flight operations. Suitable for general aviation and commercial aircraft maintenance applications.

What is the SCREW (P/N sc657)?

The sc657 is an aerospace screw designed for nonstructural fastening in airframe and avionics installations. This hardware secures access panels, brackets, and equipment assemblies where vibration resistance and reliable retention are required.

Does the sc657 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 sc657 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 sc657.

Can I order the sc657 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.