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ADAPTER, STRAIGHT, PIPE TO HOSE - P/N an840-4d

ADAPTER, STRAIGHT, PIPE TO HOSE (P/N an840-4d) - New Surplus

P/N: an840-4d

Category: Fittings & Adapters

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In Stock (8 available)
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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 8 Available

Product Description

The AN840-4D is a straight pipe-to-hose adapter that connects male ANPT (Army-Navy Pipe Thread) ports to flexible hose barbs. Manufactured from aluminum alloy per AN840 standard specifications, this adapter enables fuel, oil, and hydraulic line transitions in aircraft fluid systems. The straight configuration maintains minimal flow restriction while providing secure mechanical connection between rigid pipe fittings and flexible hose assemblies.

Installation requires verification of thread compatibility and proper torque application per aircraft maintenance manuals and FAA AC 43.13-1B guidance.

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 ADAPTER, STRAIGHT, PIPE TO HOSE (P/N an840-4d)?

The AN840-4D is a straight pipe-to-hose adapter that connects male ANPT (Army-Navy Pipe Thread) ports to flexible hose barbs. Manufactured from aluminum alloy per AN840 standard specifications, this adapter enables fuel, oil, and hydraulic line transitions in aircraft fluid systems.

Does the an840-4d meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The ADAPTER, STRAIGHT, PIPE TO HOSE 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 an840-4d 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 an840-4d.

Can I order the an840-4d in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The ADAPTER, STRAIGHT, PIPE TO HOSE is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.

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