Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
AEROQUIP Hydraulic Hose Adapter: 1/4"-18/3/8"-18 Thread Size, 3/8 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"-18/3/8"-18 Thread Size, 3/8 in x 1/4 in Fitting Size

The AEROQUIP 259-2081-6-4 is an NPTF-to-NPTF 316 Stainless Steel Hydraulic Hose Adapter with a 1/4"-18 thread size and a 3/8 in x 1/4 in fitting size, configured as Male x Female.

SKU 3G-OTH-650460

Brand
AEROQUIP
Item
Hydraulic Hose Adapter: 1/4"-18/3/8"-18 Thread Size, 3/8 in x 1/4 in Fitting Size
Category
NPTF-to-NPTF 316 Stainless Steel Hydraulic Hose Adapters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

AEROQUIP
Manufacturer Part Number
259-2081-6-4
Type
Male x Female
Thread Size
1/4"-18
Fitting Size
3/8 in x 1/4 in
Fitting Gender
Male x Female
Fitting Connection Type
NPTF x NPTF
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The AEROQUIP 259-2081-6-4 is an NPTF-to-NPTF 316 Stainless Steel Hydraulic Hose Adapter with a 1/4"-18 thread size and a 3/8 in x 1/4 in fitting size, configured as Male x Female.

Frequently Asked Questions

What is the AEROQUIP 259-2081-6-4 hydraulic hose adapter used for?

The AEROQUIP 259-2081-6-4 is a 316 stainless steel NPTF-to-NPTF adapter used to connect hydraulic hoses or fittings with different thread sizes. It is common in industrial fluid power systems, lubrication lines, and instrumentation where corrosion resistance and leak-proof sealing are required.

What are the specifications of the AEROQUIP 259-2081-6-4?

The AEROQUIP 259-2081-6-4 is a Male x Female NPTF-to-NPTF adapter with a 1/4"-18 thread size and a 3/8 in x 1/4 in fitting size. It is made of 316 stainless steel for corrosion resistance. The manufacturer part number is 259-2081-6-4.

Where to buy the AEROQUIP 259-2081-6-4 worldwide?

3G Electric supplies the AEROQUIP 259-2081-6-4 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this NPTF-to-NPTF 316 stainless steel adapter.

How to select the correct AEROQUIP hydraulic hose adapter?

To select the correct AEROQUIP adapter like the 259-2081-6-4, match the thread type (NPTF), thread size (1/4"-18), and fitting gender (Male x Female) to your system. Confirm the fitting size (3/8 in x 1/4 in) and material compatibility—316 stainless steel suits corrosive environments. Always verify pressure ratings with the manufacturer.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from AEROQUIP

View all AEROQUIP parts →
Hydraulic Hose Adapter: 1-1/4"-11-1/2/3/4"-14 Thread Size, 1 1/4 in x 3/4 in Fitting Size, Rigid (MPN 259-2081-20-12). Key specifications — Fitting Gender: Male x Female; Fitting Connection Type: NPTF x NPTF; Thread Size: 3/4"-14.
AEROQUIP
Hydraulic Hose Adapter: 1-1/4"-11-1/2/3/4"-14 Thread Size, 1 1/4 in x 3/4 in Fitting Size, Rigid (MPN 259-2081-20-12). Key specifications — Fitting Gender: Male x Female; Fitting Connection Type: NPTF x NPTF; Thread Size: 3/4"-14.
Hydraulic Hose Adapter: 1/8"-27/3/8"-18 Thread Size, 3/8 in x 1/8 in Fitting Size, Male x Female (MPN 259-2081-6-2). Key specifications — Fitting Gender: Male x Female; Fitting Connection Type: NPTF x NPTF; Thread Size: 1/8"-27.
AEROQUIP
Hydraulic Hose Adapter: 1/8"-27/3/8"-18 Thread Size, 3/8 in x 1/8 in Fitting Size, Male x Female (MPN 259-2081-6-2). Key specifications — Fitting Gender: Male x Female; Fitting Connection Type: NPTF x NPTF; Thread Size: 1/8"-27.
Hydraulic Hose Adapter: 1"-11-1/2 Thread Size, 1 in x 1 in x 1 in Fitting Size, NPTF x NPTF x NPTF (MPN 259-2091-16-16). Key specifications — Fitting Gender: Female x Female x Male; Fitting Connection Type: NPTF x NPTF x NPTF; Thread Size: 1"-11-1/2.
AEROQUIP
Hydraulic Hose Adapter: 1"-11-1/2 Thread Size, 1 in x 1 in x 1 in Fitting Size, NPTF x NPTF x NPTF (MPN 259-2091-16-16). Key specifications — Fitting Gender: Female x Female x Male; Fitting Connection Type: NPTF x NPTF x NPTF; Thread Size: 1"-11-1/2.
Hydraulic Hose Adapter: 1/4"-18/1/8"-27 Thread Size, 1/4 in x 1/8 in Fitting Size, Male x Female (MPN 259-2081-4-2). Key specifications — Fitting Gender: Male x Female; Fitting Connection Type: NPTF x NPTF; Thread Size: 1/4"-18.
AEROQUIP
Hydraulic Hose Adapter: 1/4"-18/1/8"-27 Thread Size, 1/4 in x 1/8 in Fitting Size, Male x Female (MPN 259-2081-4-2). Key specifications — Fitting Gender: Male x Female; Fitting Connection Type: NPTF x NPTF; Thread Size: 1/4"-18.
Hydraulic Hose Adapter: 1/8"-27 Thread Size, 1/8 in x 1/8 in x 1/8 in Fitting Size, Rigid, Tee (MPN 259-2090-2-2). Key specifications — Fitting Gender: Female x Female x Female; Fitting Connection Type: NPTF x NPTF x NPTF; Thread Size: 1/8"-27.
AEROQUIP
Hydraulic Hose Adapter: 1/8"-27 Thread Size, 1/8 in x 1/8 in x 1/8 in Fitting Size, Rigid, Tee (MPN 259-2090-2-2). Key specifications — Fitting Gender: Female x Female x Female; Fitting Connection Type: NPTF x NPTF x NPTF; Thread Size: 1/8"-27.
Hydraulic Hose Adapter: 1"-11-1/2/1-1/4"-11-1/2 Thread Size, 1 1/4 in x 1 in Fitting Size, Rigid (MPN 259-2081-20-16). Key specifications — Fitting Gender: Male x Female; Fitting Connection Type: NPTF x NPTF; Thread Size: 1-1/4"-11-1/2.
AEROQUIP
Hydraulic Hose Adapter: 1"-11-1/2/1-1/4"-11-1/2 Thread Size, 1 1/4 in x 1 in Fitting Size, Rigid (MPN 259-2081-20-16). Key specifications — Fitting Gender: Male x Female; Fitting Connection Type: NPTF x NPTF; Thread Size: 1-1/4"-11-1/2.
Hydraulic Hose Adapter: 3/8"-18 Thread Size, 3/8 in x 3/8 in Fitting Size, Male x Male, NPTF x NPTF (MPN 259-2083-6-6). Key specifications — Fitting Gender: Male x Male; Fitting Connection Type: NPTF x NPTF; Thread Size: 3/8"-18.
AEROQUIP
Hydraulic Hose Adapter: 3/8"-18 Thread Size, 3/8 in x 3/8 in Fitting Size, Male x Male, NPTF x NPTF (MPN 259-2083-6-6). Key specifications — Fitting Gender: Male x Male; Fitting Connection Type: NPTF x NPTF; Thread Size: 3/8"-18.
Hydraulic Hose Adapter: 3/4"-14 Thread Size, 3/4 in x 3/4 in Fitting Size, Male x Male, NPTF x NPTF (MPN 259-2085-12-12). Key specifications — Fitting Gender: Male x Male; Fitting Connection Type: NPTF x NPTF; Thread Size: 3/4"-14.
AEROQUIP
Hydraulic Hose Adapter: 3/4"-14 Thread Size, 3/4 in x 3/4 in Fitting Size, Male x Male, NPTF x NPTF (MPN 259-2085-12-12). Key specifications — Fitting Gender: Male x Male; Fitting Connection Type: NPTF x NPTF; Thread Size: 3/4"-14.