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SCREW SELF-LOCKING (P/N ms21090-350) - New Surplus

P/N: ms21090-350

Category: Screws

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In Stock (67 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 67 Available

Product Description

The MS21090-350 is a steel self-locking machine screw with a pan head and cross-recess drive. This fastener prevents loosening from vibration and thermal cycling in aircraft applications, rated to 250°F with 55 ksi tensile strength. Used to secure access panels, inspection covers, and removable components where vibration resistance is critical.

The self-locking feature eliminates the need for secondary locking devices like washers or lock wires. Install per NASM21090 specifications and your aircraft maintenance manual, ensuring proper torque and alignment with mating holes.

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 SCREW SELF-LOCKING (P/N ms21090-350)?

The MS21090-350 is a steel self-locking machine screw with a pan head and cross-recess drive. This fastener prevents loosening from vibration and thermal cycling in aircraft applications, rated to 250°F with 55 ksi tensile strength.

What conditions is the ms21090-350 available in?

The ms21090-350 is currently available in the following conditions: New Surplus. Each condition reflects the part's maintenance history and certification status per FAA standards.

How do I get pricing for the ms21090-350?

The ms21090-350 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.

Do you offer expedited shipping for the ms21090-350?

Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.

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