BOLT, CSK HD (P/N nas7503-2) - New Surplus

The NAS7503-2 is a 100-degree countersunk head bolt manufactured from A-286 stainless steel per AMS 5731/5737 specifications. This close-tolerance fastener provides flush, load-bearing attachment for aircraft structural joints where aerodynamic contour and strength are critical. Commonly used in skin-to-substructure connections on business jets and transport aircraft, the bolt installs in reamed holes and requires precise torque application per NAS7503 standards.

Installation follows the aircraft maintenance manual and structural repair manual specifications for proper countersink depth and fastener preload.

What is the BOLT, CSK HD (P/N nas7503-2)?

The NAS7503-2 is a 100-degree countersunk head bolt manufactured from A-286 stainless steel per AMS 5731/5737 specifications. This close-tolerance fastener provides flush, load-bearing attachment for aircraft structural joints where aerodynamic contour and strength are critical.

Does the nas7503-2 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT, CSK HD 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 nas7503-2 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 nas7503-2.

Can I order the nas7503-2 in custom quantities?

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