BOLT, MACH 12 PT HD .190-32 X .688 (P/N ms9556-09) - New Surplus

The MS9556-09 is a 12-point machine bolt with #10-32 UNF threads and 0.688-inch length. Constructed from A-286 corrosion and heat-resistant steel, it features an extended washer head designed to distribute bearing load across a wider surface area. The 12-point head geometry enables access in confined nacelle and exhaust assembly locations where conventional 6-point heads cannot fit.

Commonly installed in aircraft exhaust systems and high-temperature applications. Installation requires torque verification per the applicable aircraft maintenance manual and confirmation of proper thread engagement.

What is the BOLT, MACH 12 PT HD .190-32 X .688 (P/N ms9556-09)?

The MS9556-09 is a 12-point machine bolt with #10-32 UNF threads and 0. 688-inch length.

Does the ms9556-09 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT, MACH 12 PT HD .190-32 X .688 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 ms9556-09 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 ms9556-09.

Can I order the ms9556-09 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The BOLT, MACH 12 PT HD .190-32 X .688 is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.