SCREW (P/N ms51957-21) - New Surplus
P/N: ms51957-21
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 | 80 Available |
Product Description
The MS51957-21 is a stainless steel Phillips pan head machine screw conforming to Military Standard MS51957. It features UNC coarse threads for secure fastening in aircraft structural and equipment applications. Used for panel attachment, equipment mounting, and general airframe assembly tasks during maintenance and repair operations.
Installation requires a Phillips screwdriver with torque applied per the applicable aircraft maintenance manual or structural repair manual. Federal fastener standard FF-S-92 compliance ensures reliability in aviation environments.
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 (P/N ms51957-21)?
The MS51957-21 is a stainless steel Phillips pan head machine screw conforming to Military Standard MS51957. It features UNC coarse threads for secure fastening in aircraft structural and equipment applications.
Does the ms51957-21 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The SCREW 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 ms51957-21 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 ms51957-21.
Can I order the ms51957-21 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The SCREW is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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