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Aeroquip NIP ASSY 1/4 MP

Description & Features

Enhance the durability and reliability of your hydraulic systems with the Eaton Aeroquip Nipple Assembly. Designed for robust performance, this nipple assembly features Dura-Kote plating, offering superior corrosion resistance to extend the life of your hose assembly. Crafted from high-quality carbon steel, this assembly ensures lasting strength and resilience in demanding environments.

The Aeroquip NIP ASSY 1/4 MP is engineered with a 0.25-inch NPTF male end, making it ideal for secure and leak-free connections in various industrial applications. Its innovative design maximizes uptime and efficiency, ensuring that your hydraulic systems perform optimally. With a hose dash size of -4, this product is a versatile choice for many hydraulic setups.

SKU: FC3680-0404S

Supplier Part Number (MPN): FC3680-0404S

Alternate Part Numbers: C1CR90

Specifications

Brand Aeroquip® by Danfoss	a Dimensions 1.513 in	Compatible Hose ID 1/4 in	Connection Size 1 1/4 in	Connection Size 2 1/4 in	Connection Type Hose, MNPT	Connection Type 1 Hose	Connection Type 2 Male NPTF	Construction Style Crimp	Cut-Off Factor 0.82 in	Dimensions 1.513 in L	End Gender 1 Male	End Size 1 1/4 in	Finish Zinc-Plated	Fitting Type Nipple	For Use With 2807, FC465 and S-TW Series PTFE Hoses	Hex Size 0.563 in	Hose Dash Size 04	Inside Diameter 0.12 in	Material Steel	Material Construction Carbon Steel	Series FC3680 Series	Thread Sealant With Thread Sealant	Thread Size 1/4-18	Thread Type NPTF

Product Questions & Answers (2)

Question by: Neal W on Feb 15, 2026, 6:08 AM

got a hose with a -4 dash, is this the right nipple assy for it?

Answer by: Customer Support on Feb 16, 2026, 7:43 AM

For a -4 hose dash size, this nipple assembly matches that hose size and is built as a nipple assembly fitting in the Aeroquip line.

Question by: Tony K on Apr 27, 2025, 10:59 AM

What kind of corrosion protection does this fitting have? Running equipment outdoors and rust has been a real problem with cheaper fittings we've tried before.

Answer by: Customer Support on Apr 29, 2025, 8:56 AM

Dura-Kote plating is what sets this one apart from bare steel fittings. It's an Eaton Aeroquip-specific coating applied to the carbon steel body that gives it significantly better resistance to corrosion compared to uncoated alternatives. If you've been fighting rust on standard fittings in outdoor or wet conditions, this should hold up a good deal better over time.