SCREW SELF-LOCKING (P/N ms21090-350) - New Surplus
P/N: ms21090-350
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 | 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.
Does the ms21090-350 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The SCREW SELF-LOCKING 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 ms21090-350 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 ms21090-350.
Can I order the ms21090-350 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The SCREW SELF-LOCKING is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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