TUBE ASSY (P/N ms21921) - New Surplus
P/N: ms21921
Category: Hoses & Tubing
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 | 15 Available |
Product Description
The MS21921 is a Military Standard tube coupling nut designed for flareless tube fittings in aircraft fluid systems. This steel or aluminum component secures the sleeve and fitting body on fuel, hydraulic, and pneumatic lines. The nut threads onto the fitting body to create a leak-free connection when paired with compatible flareless sleeves.
Installation requires matching the correct dash-size components and torquing to maintenance manual specifications. Verify part compatibility with your aircraft's Illustrated Parts Catalog before installation.
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 TUBE ASSY (P/N ms21921)?
The MS21921 is a Military Standard tube coupling nut designed for flareless tube fittings in aircraft fluid systems. This steel or aluminum component secures the sleeve and fitting body on fuel, hydraulic, and pneumatic lines.
What hydraulic fluid type is the ms21921 compatible with?
Hydraulic component compatibility depends on the aircraft system design. Common aviation hydraulic fluids include MIL-PRF-5606 (mineral-based), MIL-PRF-83282 (synthetic), and Skydrol (phosphate ester). Verify the TUBE ASSY against your aircraft maintenance manual for fluid compatibility.
Does the ms21921 come pressure-tested and certified?
Overhauled and repaired hydraulic components are pressure-tested per manufacturer specifications and include 8130-3 documentation. The TUBE ASSY is available in: New Surplus. Contact us for test documentation on your selected condition.
What is the turnaround time for hydraulic component orders?
In-stock hydraulic components ship same business day before 3 PM EST. We provide 24/7 AOG support at (904) 998-9101 for urgent hydraulic system needs. RFQ submissions are typically quoted within 24 hours.
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