BOLT,SHEAR (P/N 20-057-4-21d) - New
P/N: 20-057-4-21d
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 | 2 Available |
Product Description
The 20-057-4-21d is an aerospace-grade steel shear bolt designed for primary structural joints in aircraft. This close-tolerance fastener carries loads primarily in shear, following AN173-AN186 shear bolt conventions. Used at tight-fit interfaces where structural integrity is critical, the bolt maintains precision fit and load distribution across joined components.
Installation requires torque specifications and procedures outlined in the aircraft maintenance manual and FAA AC 43.13-1B guidance for close-tolerance fasteners.
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 20-057-4-21d)?
The 20-057-4-21d is an aerospace-grade steel shear bolt designed for primary structural joints in aircraft. This close-tolerance fastener carries loads primarily in shear, following AN173-AN186 shear bolt conventions.
Does the 20-057-4-21d 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 20-057-4-21d 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 20-057-4-21d.
Can I order the 20-057-4-21d in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The BOLT,SHEAR is available in: New. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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