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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 - NPTF-to-NPTF 316 Stainless Steel Hydraulic Hose Adapters
AEROQUIPNPTF-to-NPTF 316 Stainless Steel Hydraulic Hose Adapters

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

The AEROQUIP 259-2081-20-12 is a rigid NPTF-to-NPTF 316 Stainless Steel Hydraulic Hose Adapter with a 1 1/4 in x 3/4 in fitting size, male x female gender, and a 3/4"-14 thread size.

SKU 3G-OTH-650469

Brand
AEROQUIP
Item
Hydraulic Hose Adapter: 1-1/4"-11-1/2/3/4"-14 Thread Size, 1 1/4 in x 3/4 in Fitting Size
Category
NPTF-to-NPTF 316 Stainless Steel Hydraulic Hose Adapters
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Technical Specifications

AEROQUIP
Manufacturer Part Number
259-2081-20-12
Type
Rigid
Thread Size
3/4"-14
Fitting Size
1 1/4 in x 3/4 in
Fitting Gender
Male x Female
Fitting Connection Type
NPTF x NPTF
View Full Spec Sheet

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

Product Description

The AEROQUIP 259-2081-20-12 is a rigid NPTF-to-NPTF 316 Stainless Steel Hydraulic Hose Adapter with a 1 1/4 in x 3/4 in fitting size, male x female gender, and a 3/4"-14 thread size.

Frequently Asked Questions

What is the AEROQUIP 259-2081-20-12 hydraulic hose adapter used for?

The AEROQUIP 259-2081-20-12 is a rigid 316 stainless steel NPTF-to-NPTF adapter used to connect hydraulic hoses or fittings with a 1 1/4 in x 3/4 in fitting size. It is common in industrial fluid power systems, machining, and material handling applications where corrosion resistance and leak-proof connections are required.

What are the specifications of the AEROQUIP 259-2081-20-12?

This AEROQUIP adapter has a 1 1/4 in x 3/4 in fitting size, male x female gender, and a 3/4"-14 thread size. It features NPTF x NPTF connection type, is made of 316 stainless steel, and is rigid. The manufacturer part number is 259-2081-20-12.

Where to buy the AEROQUIP 259-2081-20-12 worldwide?

3G Electric supplies the AEROQUIP 259-2081-20-12 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this NPTF-to-NPTF 316 stainless steel hydraulic hose adapter.

How to install the AEROQUIP 259-2081-20-12 adapter?

Install the AEROQUIP 259-2081-20-12 by applying thread sealant to the male NPTF threads, then hand-tighten into the female port. Use a wrench to tighten 1-2 turns past hand-tight—avoid over-torquing to prevent damage to the 316 stainless steel. Always depressurize the system before installation.

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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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
Hydraulic Hose Adapter: 1/4"-18/1/8"-27 Thread Size, 1/8 in x 1/4 in Fitting Size, Male x Female (MPN 259-2040-2-4). Key specifications — Fitting Gender: Male x Female; Fitting Connection Type: NPTF x NPTF; Thread Size: 1/4"-18.
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Hydraulic Hose Adapter: 1/4"-18/1/8"-27 Thread Size, 1/8 in x 1/4 in Fitting Size, Male x Female (MPN 259-2040-2-4). Key specifications — Fitting Gender: Male x Female; Fitting Connection Type: NPTF x NPTF; Thread Size: 1/4"-18.