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PARKER Barbed Hose Fitting: For 5/16 in Hose I.D., Hose Barb x NPT - Brass Multipurpose (Air, Water, Chemical) Rigid Barbed Hose Fittings
PARKERBrass Multipurpose (Air, Water, Chemical) Rigid Barbed Hose Fittings

PARKER Barbed Hose Fitting: For 5/16 in Hose I.D., Hose Barb x NPT

The PARKER 129HB-5-4 is a brass multipurpose rigid barbed hose fitting with a 5/16 in x 1/4 in fitting size, featuring a Hose Barb x NPT connection type and male x male gender. Designed for air, water, and chemical…

SKU 3G-OTH-460689

Brand
PARKER
Item
Barbed Hose Fitting: For 5/16 in Hose I.D., Hose Barb x NPT
Category
Brass Multipurpose (Air, Water, Chemical) Rigid Barbed Hose Fittings
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Technical Specifications

PARKER
Manufacturer Part Number
129HB-5-4
Type
Hose Barb x NPT
Fitting Size
5/16 in x 1/4 in
Fitting Gender
Male x Male
Nipple Grip Type
No Knurl
Fitting Connection Type
Hose Barb x NPT
View Full Spec Sheet

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

Product Description

The PARKER 129HB-5-4 is a brass multipurpose rigid barbed hose fitting with a 5/16 in x 1/4 in fitting size, featuring a Hose Barb x NPT connection type and male x male gender. Designed for air, water, and chemical applications, this fitting has a no-knurl nipple grip type and is suitable for 5/16 in hose I.D.

Frequently Asked Questions

What is the PARKER 129HB-5-4 barbed hose fitting used for?

The PARKER 129HB-5-4 is a brass rigid barbed hose fitting used for connecting 5/16 in I.D. hose to NPT threaded ports in air, water, and chemical systems. Its male x male design and no-knurl grip provide a secure, leak-resistant connection in industrial fluid handling applications.

What are the specifications of the PARKER 129HB-5-4?

The PARKER 129HB-5-4 has a 5/16 in x 1/4 in fitting size, Hose Barb x NPT connection type, male x male gender, and no-knurl nipple grip. It is made of brass for multipurpose use with air, water, and chemicals. The manufacturer part number is 129HB-5-4.

Where to buy the PARKER 129HB-5-4 worldwide?

3G Electric supplies the PARKER 129HB-5-4 brass barbed hose fitting to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this genuine PARKER component.

How to install a PARKER barbed hose fitting?

To install the PARKER 129HB-5-4, slide the hose fully onto the barbed end until seated against the fitting shoulder. Use a hose clamp over the barb for secure sealing. Apply thread sealant to the NPT male threads and tighten into the female port. Avoid over-torquing to prevent brass damage.

Used in

Common applications for PARKER
Injection molding machine proportional directional control — Parker solenoid coils and proportional valve cartridges for mold-closing and hydraulic actuation circuits
Construction equipment hydraulic steering and boom control — Parker directional control valves with solenoid actuation for excavator and loader hydraulic systems
Industrial press forming systems — Parker pressure-relief and proportional directional valves for tonnage control and cycle sequencing
Material-handling conveyor systems — Parker proportional control valves with solenoid pilot stages for smooth load acceleration and deceleration
Tire-building machinery — Parker solenoid-actuated directional cartridges for synchronized multi-axis hydraulic positioning
Forestry and mobile equipment — Parker valve spools and solenoid assemblies rated for harsh-environment hydraulic circuits and mobile-duty pressure cycling

PARKER Products

3G Electric supplies PARKER brass multipurpose (air, water, chemical) rigid barbed hose fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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PARKER Barbed Hose Fitting: For 1/4 in Hose I.D., Hose Barb x NPT, 1/4 in x 1/8 in Fitting Size (MPN 139HB-4-2). Key specifications — Fitting Connection Type: Hose Barb x NPT; Fitting Gender: Male x Male; Nipple Grip Type: No Knurl; Brand: PARKER.
PARKER Barbed Hose Fitting: For 5/16 in Hose I.D., Hose Barb x NPT, 5/16 in x 1/8 in Fitting Size (MPN 129HB-5-2). Key specifications — Fitting Connection Type: Hose Barb x NPT; Fitting Gender: Male x Male; Nipple Grip Type: No Knurl; Brand: PARKER.
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PARKER Barbed Hose Fitting: For 5/16 in Hose I.D., Hose Barb x NPT, 5/16 in x 1/8 in Fitting Size (MPN 129HB-5-2). Key specifications — Fitting Connection Type: Hose Barb x NPT; Fitting Gender: Male x Male; Nipple Grip Type: No Knurl; Brand: PARKER.
PARKER Barbed Hose Fitting: For 3/8 in Hose I.D., Hose Barb x NPT, 3/8 in x 1/4 in Fitting Size (MPN 125HBLSV-6-4). Key specifications — Fitting Connection Type: Hose Barb x NPT; Fitting Gender: Male x Male; Nipple Grip Type: No Knurl; Brand: PARKER.
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PARKER Barbed Hose Fitting: For 3/8 in Hose I.D., Hose Barb x NPT, 3/8 in x 1/4 in Fitting Size (MPN 125HBLSV-6-4). Key specifications — Fitting Connection Type: Hose Barb x NPT; Fitting Gender: Male x Male; Nipple Grip Type: No Knurl; Brand: PARKER.
PARKER Barbed Hose Fitting: For 1/2 in Hose I.D., Hose Barb x NPT, 1/2 in x 1/2 in Fitting Size (MPN 129HB-8-8). Key specifications — Fitting Connection Type: Hose Barb x NPT; Fitting Gender: Male x Male; Nipple Grip Type: No Knurl; Brand: PARKER.
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PARKER Barbed Hose Fitting: For 1/2 in Hose I.D., Hose Barb x NPT, 1/2 in x 1/2 in Fitting Size (MPN 129HB-8-8). Key specifications — Fitting Connection Type: Hose Barb x NPT; Fitting Gender: Male x Male; Nipple Grip Type: No Knurl; Brand: PARKER.
PARKER Barbed Hose Fitting: For 5/16 in Hose I.D., Hose Barb x NPT, 5/16 in x 3/8 in Fitting Size (MPN 129HB-5-6). Key specifications — Fitting Connection Type: Hose Barb x NPT; Fitting Gender: Male x Male; Nipple Grip Type: No Knurl; Brand: PARKER.
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PARKER Barbed Hose Fitting: For 5/16 in Hose I.D., Hose Barb x NPT, 5/16 in x 3/8 in Fitting Size (MPN 129HB-5-6). Key specifications — Fitting Connection Type: Hose Barb x NPT; Fitting Gender: Male x Male; Nipple Grip Type: No Knurl; Brand: PARKER.
PARKER Barbed Hose Fitting: For 3/8 in Hose I.D., Hose Barb x NPT, 3/8 in x 1/4 in Fitting Size (MPN 129HB-6-4). Key specifications — Fitting Connection Type: Hose Barb x NPT; Fitting Gender: Male x Male; Nipple Grip Type: No Knurl; Brand: PARKER.
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PARKER Barbed Hose Fitting: For 3/8 in Hose I.D., Hose Barb x NPT, 3/8 in x 1/4 in Fitting Size (MPN 129HB-6-4). Key specifications — Fitting Connection Type: Hose Barb x NPT; Fitting Gender: Male x Male; Nipple Grip Type: No Knurl; Brand: PARKER.