SPACER (P/N 012n8728-4) - New Surplus

The 012n8728-4 is a machined metal spacer for aircraft bolted assemblies. This cylindrical sleeve maintains correct bolt grip length while preventing clamp-up and misalignment in control linkages, brackets, and bearing installations. The spacer distributes loads evenly across fastened joints and ensures proper stack-up when installed between components.

Installation requires matching the spacer height to the applicable engineering drawing or Aircraft Maintenance Manual specification, then torquing the bolt and washer combination per OEM requirements. Used throughout general aviation and commercial aircraft structural and systems hardware.

What is the SPACER (P/N 012n8728-4)?

The 012n8728-4 is a machined metal spacer for aircraft bolted assemblies. This cylindrical sleeve maintains correct bolt grip length while preventing clamp-up and misalignment in control linkages, brackets, and bearing installations.

Does the 012n8728-4 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 012n8728-4 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 012n8728-4.

Can I order the 012n8728-4 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.