REDUCER (P/N ms21916d4-6) - New Surplus
P/N: ms21916d4-6
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 MS21916D4-6 is an aluminum alloy 2024 boss reducer fitting that adapts between -4 and -6 straight-thread ports in aircraft hydraulic systems. This fitting steps down line sizes within confined spaces, allowing different gauge tubing to connect at boss ports on engine components, fuel systems, and hydraulic assemblies. Installation requires a gasket or preformed packing per MS/AS specifications and the aircraft maintenance manual.
Commonly found in corporate and general aviation hydraulic circuits where space constraints demand compact adapter solutions.
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 ms21916d4-6)?
The MS21916D4-6 is an aluminum alloy 2024 boss reducer fitting that adapts between -4 and -6 straight-thread ports in aircraft hydraulic systems. This fitting steps down line sizes within confined spaces, allowing different gauge tubing to connect at boss ports on engine components, fuel systems, and hydraulic assemblies.
Does the ms21916d4-6 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 ms21916d4-6 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 ms21916d4-6.
Can I order the ms21916d4-6 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.