P/N: ms21025-39
Category: Fasteners & Hardware
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| New Surplus | 3 Available |
| As Removed | 1 Available |
The MS21025-39 is a steel hex castellated nut designed for drilled-bolt applications requiring positive mechanical locking. The castellated design features slots that align with a hole in the fastener shank, allowing a cotter pin to pass through for secondary locking. Used primarily in landing gear axle retention and other critical structural joints where vibration resistance is essential.
Install and torque per MS21025 specifications and applicable aircraft maintenance manual procedures.
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.
The MS21025-39 is a steel hex castellated nut designed for drilled-bolt applications requiring positive mechanical locking. The castellated design features slots that align with a hole in the fastener shank, allowing a cotter pin to pass through for secondary locking.
Aircraft hardware is manufactured to military and aviation specifications. The NUT conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.
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 ms21025-39.
Yes, we sell hardware in various quantities from single units to bulk lots. The NUT is available in: New Surplus, As Removed. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.