P/N: ms9556-21
Category: Fasteners & Hardware
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| New Surplus | 10 Available |
The MS9556-21 is a 12-point machine bolt with a #10-32 UNJF thread and extended-washer head. Manufactured from A-286 corrosion and heat-resistant steel per AMS 5731, this aerospace-grade fastener withstands high temperatures and harsh environments. The 12-point head design provides multiple wrenching angles for compact access where standard 6-point bolts won't fit.
Used to secure engine brackets, accessory mounts, and structural assemblies on aircraft. Install per maintenance manual specifications, confirming correct length and thread class.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
The MS9556-21 is a 12-point machine bolt with a #10-32 UNJF thread and extended-washer head. Manufactured from A-286 corrosion and heat-resistant steel per AMS 5731, this aerospace-grade fastener withstands high temperatures and harsh environments.
Aircraft hardware is manufactured to military and aviation specifications. The BOLT; MACH 12 PT HD .190-32 X conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.
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 ms9556-21.
Yes, we sell hardware in various quantities from single units to bulk lots. The BOLT; MACH 12 PT HD .190-32 X is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.