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AEROQUIP Hydraulic Hose Adapter: 1/4"-18 Thread Size, 1/4 in x 1/4 in Fitting Size - NPTF-to-NPTF 316 Stainless Steel Hydraulic Hose Adapters
AEROQUIPNPTF-to-NPTF 316 Stainless Steel Hydraulic Hose Adapters

AEROQUIP Hydraulic Hose Adapter: 1/4"-18 Thread Size, 1/4 in x 1/4 in Fitting Size

The AEROQUIP 259-2089-4-4 is an NPTF-to-NPTF 316 Stainless Steel Hydraulic Hose Adapter, configured as a rigid female x male fitting with a 1/4"-18 thread size and 1/4 in x 1/4 in fitting size. This adapter is…

SKU 3G-OTH-650416

Also listed as: 259208944 · 259 2089 4 4

Brand
AEROQUIP
Item
Hydraulic Hose Adapter: 1/4"-18 Thread Size, 1/4 in x 1/4 in Fitting Size
Category
NPTF-to-NPTF 316 Stainless Steel Hydraulic Hose Adapters
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Technical Specifications

AEROQUIP
Manufacturer Part Number
259-2089-4-4
Type
Female x Male, Rigid
Thread Size
1/4"-18
Fitting Size
1/4 in x 1/4 in
Fitting Gender
Female x Male
Fitting Connection Type
NPTF x NPTF

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AEROQUIP Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The AEROQUIP 259-2089-4-4 is an NPTF-to-NPTF 316 Stainless Steel Hydraulic Hose Adapter, configured as a rigid female x male fitting with a 1/4"-18 thread size and 1/4 in x 1/4 in fitting size. This adapter is designed for hydraulic systems requiring a leak-resistant, straight connection between NPTF-threaded components.

Frequently Asked Questions

What is the AEROQUIP 259-2089-4-4 hydraulic hose adapter used for?

The AEROQUIP 259-2089-4-4 is a 316 stainless steel NPTF-to-NPTF adapter used in hydraulic systems to create a leak-resistant, rigid straight connection between female and male NPTF-threaded components. It is common in industrial fluid power applications across machining, material handling, and power transmission systems.

What are the specifications of the AEROQUIP 259-2089-4-4?

The AEROQUIP 259-2089-4-4 is a female x male rigid adapter with a 1/4"-18 thread size and 1/4 in x 1/4 in fitting size. It uses NPTF x NPTF connection type and is made of 316 stainless steel. The manufacturer part number is 259-2089-4-4.

Where to buy the AEROQUIP 259-2089-4-4 worldwide?

3G Electric supplies the AEROQUIP 259-2089-4-4 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this NPTF-to-NPTF 316 stainless steel hydraulic hose adapter.

How to install an NPTF-to-NPTF hydraulic hose adapter?

To install an NPTF-to-NPTF adapter like the AEROQUIP 259-2089-4-4, ensure threads are clean and apply a compatible thread sealant. Hand-tighten the female end onto the male port, then use a wrench to tighten 1-2 turns past hand-tight. Avoid over-torquing to prevent thread damage or leakage.

Used in

Common applications for AEROQUIP
Mobile hydraulic equipment repair — Aeroquip 45° elbow flange fittings (e.g., 1A12FLA10) for hose replacement on excavators and loaders.
Industrial hydraulic power units — Aeroquip 90° elbow flange fittings (e.g., 4S20FLB20) for connecting pumps to manifold blocks.
In-house hose assembly shops — Aeroquip die packages (e.g., ET4020TP-0002) for crimping 1-wire braid hoses up to 1 1/4 in diameter.
Oil and gas field equipment — Aeroquip carbon steel flange fittings (e.g., 1A24FLA20) for high-pressure fluid transfer lines.
Hydraulic press maintenance — Aeroquip die cage assemblies (e.g., FT1382-200-M465) for crimping 4-spiral hoses on heavy-duty presses.
Agricultural machinery servicing — Aeroquip 45° elbow fittings (e.g., 1A12FLA12) for replacing hoses on tractors and harvesters.

AEROQUIP Products

3G Electric supplies AEROQUIP nptf-to-nptf 316 stainless steel hydraulic hose adapters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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