BOLT (1/5) (P/N ms9557-09) - New Surplus

The MS9557-09 is a 12-point double-hex machine bolt manufactured from corrosion- and heat-resistant steel per MS9557 specifications. The compact double-hex head design provides reduced wrench clearance requirements in confined aerospace installations. Used for engine accessory mounting and structural fastening where space constraints limit access.

Install per aircraft maintenance manual guidance and torque specifications in FAA AC 43.13-1B or applicable OEM documentation. The 12-point configuration distributes load evenly across the bolt head.

What is the BOLT (1/5) (P/N ms9557-09)?

The MS9557-09 is a 12-point double-hex machine bolt manufactured from corrosion- and heat-resistant steel per MS9557 specifications. The compact double-hex head design provides reduced wrench clearance requirements in confined aerospace installations.

Does the ms9557-09 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT (1/5) 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 ms9557-09 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 ms9557-09.

Can I order the ms9557-09 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The BOLT (1/5) is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.