REDUCER (P/N MS21916J5-4) - New Surplus
P/N: MS21916J5-4
Category: Fittings & Adapters
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 | 1 Available |
Product Description
The MS21916J5-4 is a corrosion-resistant steel reducer with external threads and flareless tube boss design. This fitting connects two different tube sizes in aircraft hydraulic circuits at boss ports. Installation uses approved flareless fitting practices with torques specified in the applicable maintenance manual to ensure leak-free service.
The part meets MS21916 specifications (superseded by SAE AS21916) for aerospace fluid line adapters. Commonly installed during hydraulic system assembly, maintenance, or line routing modifications on general aviation and commercial aircraft.
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 REDUCER (P/N MS21916J5-4)?
The MS21916J5-4 is a corrosion-resistant steel reducer with external threads and flareless tube boss design. This fitting connects two different tube sizes in aircraft hydraulic circuits at boss ports.
Does the MS21916J5-4 meet AN/MS/NAS aviation specifications?
Aircraft hardware is manufactured to military and aviation specifications. The REDUCER 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 MS21916J5-4 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 MS21916J5-4.
Can I order the MS21916J5-4 in custom quantities?
Yes, we sell hardware in various quantities from single units to bulk lots. The REDUCER is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.
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