(904) 998-9101
sales@aircraftpartsstore.com
Aircraft Parts Store
REDUCER - P/N an919-4d

REDUCER (P/N an919-4d) - New Surplus

P/N: an919-4d

Category: Fittings & Adapters

Contact for quote
In Stock (3 available)
Submit RFQ Call for Pricing

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 3 Available

Product Description

The AN919-4D is a flared tube reducer for aircraft fluid systems. This aluminum alloy fitting joins dissimilar tube sizes while maintaining a 37-degree flare-seat interface compatible with standard aviation tubing. Commonly used in hydraulic lines, fuel systems, and pneumatic applications where line diameter changes are required.

Installation requires verification of thread and tube sizes, followed by torque application per AC 43.13-1B guidelines and the applicable aircraft maintenance manual.

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 an919-4d)?

The AN919-4D is a flared tube reducer for aircraft fluid systems. This aluminum alloy fitting joins dissimilar tube sizes while maintaining a 37-degree flare-seat interface compatible with standard aviation tubing.

Does the an919-4d 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 an919-4d 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 an919-4d.

Can I order the an919-4d 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.

Related Fittings & Adapters

Browse More Fittings & Adapters