NUT,TUBE COUPLING (P/N ms21921-12d) - New Surplus
P/N: ms21921-12d
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 | 2 Available |
Product Description
The MS21921-12D is an aluminum alloy tube coupling nut for 3/4-inch flareless aircraft tube fittings. This nut clamps the MS21922 sleeve to the fitting body, creating a leak-free connection in hydraulic systems. Commonly used in CH-47 and other military/commercial aircraft hydraulic lines, the MS21921-12D follows Military Standard MS21921 specifications.
Installation requires proper torque sequencing per the aircraft maintenance manual and illustrated parts catalog to ensure system integrity and prevent leakage under pressure cycling.
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,TUBE COUPLING (P/N ms21921-12d)?
The MS21921-12D is an aluminum alloy tube coupling nut for 3/4-inch flareless aircraft tube fittings. This nut clamps the MS21922 sleeve to the fitting body, creating a leak-free connection in hydraulic systems.
What conditions is the ms21921-12d available in?
The ms21921-12d 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 ms21921-12d?
The ms21921-12d 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 ms21921-12d?
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.