BOLT,SHEAR (P/N 20-057-4-18d) - New Surplus
P/N: 20-057-4-18d
Category: Fasteners & Hardware
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 | 5 Available |
Product Description
The 20-057-4-18d is a steel hex-head shear bolt with a drilled shank designed to carry shear loads in aircraft mechanical linkages. This bolt functions as a sacrificial element, protecting assemblies by shearing under predetermined load conditions. Identified under NSN 5306-01-432-4407, it's used in Bell 206 JetRanger and LongRanger helicopters.
Installation requires adherence to aircraft maintenance manual torque specifications and safetying practices per NAS close-tolerance shear bolt guidance.
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 BOLT,SHEAR (P/N 20-057-4-18d)?
The 20-057-4-18d is a steel hex-head shear bolt with a drilled shank designed to carry shear loads in aircraft mechanical linkages. This bolt functions as a sacrificial element, protecting assemblies by shearing under predetermined load conditions.
Does the 20-057-4-18d meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The BOLT,SHEAR 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 20-057-4-18d 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 20-057-4-18d.
Can I order the 20-057-4-18d in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The BOLT,SHEAR is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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