NUT 1/2-20 (P/N d210-8) - New Surplus

The d210-8 is a 1/2-20 UNF all-metal self-locking hex nut manufactured in stainless steel for aerospace applications. This nut secures threaded fasteners in Robinson rotorcraft airframe and powerplant assemblies, including R22, R44, and R66 models. The self-locking feature prevents loosening under vibration during flight operations.

Cross-referenced to MS21042L08, it meets military aerospace standards for critical structural and engine connections. Installation torque and placement follow aircraft Illustrated Parts Catalog specifications and maintenance manual requirements.

What is the NUT 1/2-20 (P/N d210-8)?

The d210-8 is a 1/2-20 UNF all-metal self-locking hex nut manufactured in stainless steel for aerospace applications. This nut secures threaded fasteners in Robinson rotorcraft airframe and powerplant assemblies, including R22, R44, and R66 models.

Does the d210-8 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The NUT 1/2-20 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 d210-8 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 d210-8.

Can I order the d210-8 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The NUT 1/2-20 is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.