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STRAIGHT ADAPTER -3/4IN BARB X 1 IN MALE

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Description & Features

This straight adapter features a 3/4 inch hose barb connection to a 1 inch male SAE O-ring boss, conforming to SAE J514 standards. Constructed from durable steel, the adapter is designed for robust performance in demanding hydraulic applications.

The 3/4 inch tube OD hose barb ensures a secure and reliable connection. NBR O-ring seal material provides a tight, leak-free seal. This STRAIGHT ADAPTER -3/4IN BARB X 1 IN MALE is part of the 4604-O series from Brennan Industries.

SKU: 4604-12-16-O

Supplier Part Number (MPN): 4604-12-16-O

Specifications

Brand
BRENNAN
Connection Size 1
3/4 in
Connection Size 2
1 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
2.63 in L
Finish
Trivalent Zinc-Plated
Fitting Type
Adapter
Hex Size
1-1/2 in
l2 Dimensions
1.1 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
0.844 in
Thread B1 Drill Dimensions
0.626 in
Thread Size
1-5/16-12
Tube Outside Diameter
3/4 in

Product Questions & Answers (1)

Question by: Joyce H on Feb 3, 2026, 7:57 PM
What size is that male end, the part that seals with the O-ring? Just wanna make sure it'll fit my setup.
Answer by: Customer Support on Feb 5, 2026, 6:19 AM
That male SAE O-ring boss connection is 1 inch, specifically a 1-5/16-12 thread size, according to SAE J514 standards.

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