HB-MORB Straight HB-24 / ORB-20

Description & Features

This straight steel fitting, designated as HB-MORB Straight HB-24 / ORB-20, connects a 1-1/2 inch hose barb to a 1-5/8-12 Male SAE O-Ring Boss, manufactured to SAE J514 standards.

This 4604-O series fitting features an NBR O-ring seal to ensure a reliable connection. The thread drill size B1 measures 1.343 mm, while the thread drill size B2 measures 1.078 mm. Its overall length is 1.500 inches.

SKU: 4604-24-20-O

Supplier Part Number (MPN): 4604-24-20-O

Alternate Part Numbers: 4604-24-20

Specifications

Brand
BRENNAN
Connection Size 1
1-1/2 in
Connection Size 2
1-1/4 in
Connection Type
Barbed, Male SAE ORB
Connection Type 1
Hose Barbed
Connection Type 2
Male SAE ORB
Dimension Standards
SAE J1926, SAE J1231-2, SAE J514
Dimensions
2.7 in L
Finish
Trivalent Zinc-Plated
Fitting Type
Adapter
Hex Size
1-7/8 in
l2 Dimensions
1.218 in
l Dimensions
1-1/2 in
Material
Steel
Material Construction
12L14/C1045 Steel
Operating Temperature
-40 to 250 deg F
Seal Material
NBR
Series
4604-O Series
Thread 2 Drill Dimensions
1.078 in
Thread B1 Drill Dimensions
1.343 in
Thread Size
1-5/8-12
Tube Outside Diameter
1-1/2 in

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Product Questions & Answers (1)

Question by: Sherry P on Nov 23, 2025, 5:16 PM
Reckon this fitting can handle hydraulic fluid, or is it more for air and water?
Answer by: Customer Support on Nov 25, 2025, 6:17 AM
Designed for hydraulic applications, this fitting features a steel construction and NBR O-ring seal, ensuring compatibility with hydraulic fluids within specified operating conditions.

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