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REDUCER 5/G 8 - 3/8 (P/N 0518031-1) - New

P/N: 0518031-1

Category: Fittings & Adapters

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In Stock (1 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 1 Available

Product Description

The 0518031-1 is a 5/8–3/8 reducer fitting for aircraft fuel and fluid line systems. This stepped adapter connects a larger 5/8-inch line to a smaller 3/8-inch port, enabling efficient size transitions in confined spaces. Constructed from aluminum or steel per AN standards, the reducer maintains system integrity while reducing pressure drop across the transition.

Install per aircraft maintenance manual specifications and verify fitment against the Illustrated Parts Catalog for your airframe.

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 5/G 8 - 3/8 (P/N 0518031-1)?

The 0518031-1 is a 5/8–3/8 reducer fitting for aircraft fuel and fluid line systems. This stepped adapter connects a larger 5/8-inch line to a smaller 3/8-inch port, enabling efficient size transitions in confined spaces.

Does the 0518031-1 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The REDUCER 5/G 8 - 3/8 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 0518031-1 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 0518031-1.

Can I order the 0518031-1 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The REDUCER 5/G 8 - 3/8 is available in: New. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.

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