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REDUCER (P/N NAS156U-6-4) - New Surplus

P/N: NAS156U-6-4

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 Surplus 1 Available

Product Description

The NAS156U-6-4 is a 37° flared tube reducer for aircraft fluid systems. This fitting reduces tubing diameter from -6 to -4 size, following NAS aerospace standards for precision flared connections. Commonly used in hydraulic line repairs and system retrofits where line size adaptation is required.

Install with matching 37° flare nuts and sleeves, torque per approved maintenance data, and verify fitment in the aircraft Illustrated Parts Catalog. Brass or aluminum construction provides reliable service in pressurized fluid applications.

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 NAS156U-6-4)?

The NAS156U-6-4 is a 37° flared tube reducer for aircraft fluid systems. This fitting reduces tubing diameter from -6 to -4 size, following NAS aerospace standards for precision flared connections.

Does the NAS156U-6-4 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 NAS156U-6-4 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 NAS156U-6-4.

Can I order the NAS156U-6-4 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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