NUT (P/N r398p1b) - New Surplus

The r398p1b is a steel aircraft nut designed to secure threaded fasteners in airframe and structural assemblies. This fastener conforms to AN, MS, or NAS aerospace standards and pairs with corresponding bolts for reliable load retention. Installation requires torque to specification per the aircraft maintenance manual.

Verify part compatibility in the Illustrated Parts Catalog before use. Suitable for general aviation and commercial aircraft structural applications.

What is the NUT (P/N r398p1b)?

The r398p1b is a steel aircraft nut designed to secure threaded fasteners in airframe and structural assemblies. This fastener conforms to AN, MS, or NAS aerospace standards and pairs with corresponding bolts for reliable load retention.

Does the r398p1b meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The NUT 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 r398p1b 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 r398p1b.

Can I order the r398p1b in custom quantities?

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