NUT (P/N ms21921d8) - New Surplus
P/N: ms21921d8
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 | 6 Available |
Product Description
The MS21921D8 is an aluminum alloy flareless sleeve coupling nut designed for aircraft tube fittings. This nut clamps the sleeve and tubing assembly to the fitting body, creating a leak-proof seal in hydraulic and fuel system lines. Installation involves sliding the nut over the pre-assembled sleeve and tubing, then tightening onto the fitting body to the torque specification outlined in the applicable maintenance manual.
Commonly used in general aviation and commercial aircraft fluid systems where reliable, vibration-resistant connections are 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 ms21921d8)?
The MS21921D8 is an aluminum alloy flareless sleeve coupling nut designed for aircraft tube fittings. This nut clamps the sleeve and tubing assembly to the fitting body, creating a leak-proof seal in hydraulic and fuel system lines.
Does the ms21921d8 meet AN/MS/NAS aviation specifications?
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.
What material is the ms21921d8 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 ms21921d8.
Can I order the ms21921d8 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The NUT is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
Related Fasteners & Hardware
- SPACER – P/N 69-60053-2
- NUT – P/N ms25082b2
- NUT,SELF-LOCKING,HEXAGON – P/N ms21044d8
- F/T LATCH ESCUT ASSY – P/N 4271400105535c8
- SCREW – P/N an501a8-10
- PIN – P/N MS20392-1021
- BOLT – P/N std3053-25
- NUT – P/N b340-4
- BOLT – P/N an104016
- NUT,PLAIN,HEXAGON – P/N ms9100-04
- RIVET – P/N ass2050-424bs
- WASHER,LOCK – P/N ms35340-44