SPACER (P/N b-3863) - New Surplus

The b-3863 is a precision machined metal spacer for aircraft structural assemblies. This collar maintains exact standoff distance between bolts and mating brackets, controlling clamp-up pressure and preventing distortion during fastening. Commonly used in Beechcraft airframes and similar general aviation applications where precise spacing is critical to assembly integrity.

Installation follows the aircraft maintenance manual and Illustrated Parts Catalog specifications. Verify compatibility with your specific airframe before installation.

What is the SPACER (P/N b-3863)?

The b-3863 is a precision machined metal spacer for aircraft structural assemblies. This collar maintains exact standoff distance between bolts and mating brackets, controlling clamp-up pressure and preventing distortion during fastening.

Does the b-3863 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The SPACER 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 b-3863 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 b-3863.

Can I order the b-3863 in custom quantities?

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