SHIM (P/N b4281-1) - New Surplus

Name: SHIM
Brand: Aircraft Parts Store
SKU: b4281-1

P/N: b4281-1

Category: Fasteners & Hardware

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In Stock (6 available)

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This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).

Available Inventory

Condition	Stock
New Surplus	6 Available

Product Description

The b4281-1 is a precision shim for McCauley propeller hub assemblies. This thin spacer controls axial spacing and alignment between mating propeller components during installation or overhaul. The shim maintains correct stack-up dimensions and runout tolerances critical to propeller balance and safe operation.

Installation requires matching the specified thickness to propeller and aircraft maintenance manual requirements. Used in general aviation and commercial propeller systems where precise hub fit directly affects flight safety and performance.

Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.

Frequently Asked Questions

What is the SHIM (P/N b4281-1)?

The b4281-1 is a precision shim for McCauley propeller hub assemblies. This thin spacer controls axial spacing and alignment between mating propeller components during installation or overhaul.

Does the b4281-1 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The SHIM 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 b4281-1 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 b4281-1.

Can I order the b4281-1 in custom quantities?

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