NUT (P/N ms21921d4) - New Surplus
P/N: ms21921d4
Category: Nuts
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 | 6 Available |
Product Description
The MS21921D4 is a flareless sleeve coupling nut designed for 1/4-inch tubing in aircraft hydraulic and fluid systems. Manufactured from aluminum alloy, this nut conforms to MS21921 specifications (superseded by SAE AS21921). It secures tubing by tightening over a matching flareless sleeve to create a leak-resistant joint.
Installation requires pairing with compatible flareless sleeve and tube size, then torquing per aircraft maintenance manual specifications. Commonly used in hydraulic line connections where reliable fluid containment is critical.
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 NUT (P/N ms21921d4)?
The MS21921D4 is a flareless sleeve coupling nut designed for 1/4-inch tubing in aircraft hydraulic and fluid systems. Manufactured from aluminum alloy, this nut conforms to MS21921 specifications (superseded by SAE AS21921).
What conditions is the ms21921d4 available in?
The ms21921d4 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 ms21921d4?
The ms21921d4 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 ms21921d4?
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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