BOLT, REDUCED CSK HD (P/N nas1581f3r3) - New

The NAS1581F3R3 is a reduced countersunk head bolt conforming to National Aerospace Standard specifications. This fastener features a 100° flush head profile and UNJF-3A threads, designed for shear joints requiring a smooth, recessed surface. Manufactured from alloy steel per NAS1581 requirements, it installs flush with airframe skin in structure-to-skin attachments and similar applications.

Installation requires matching 100° countersink tooling and torque per the applicable aircraft maintenance manual. Size and grip length selection must align with NAS1581 specifications for proper load distribution and airworthiness compliance.

What is the BOLT, REDUCED CSK HD (P/N nas1581f3r3)?

The NAS1581F3R3 is a reduced countersunk head bolt conforming to National Aerospace Standard specifications. This fastener features a 100° flush head profile and UNJF-3A threads, designed for shear joints requiring a smooth, recessed surface.

Does the nas1581f3r3 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The BOLT, REDUCED 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 nas1581f3r3 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 nas1581f3r3.

Can I order the nas1581f3r3 in custom quantities?

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