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12MJ-14MORB Straight

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Description & Features

Designed for straight-line hydraulic connections, the 12MJ-14MORB Straight adapter joins a 1-1/16-12 Male JIC SAE 37-degree flare on one end to a 1-3/16-12 Male SAE O-Ring Boss on the other. Both threads conform to SAE J514, making this fitting a reliable choice for systems requiring a direct transition between these two common thread types.

Constructed from steel with an NBR O-ring seal, this fitting is rated for dynamic pressures up to 5,000 PSI. It belongs to Brennan Industries' 6400-O series and carries a California Proposition 65 warning. The compact straight configuration suits tight routing requirements in mobile and industrial hydraulic circuits.

SKU: 6400-12-14-O

Supplier Part Number (MPN): 6400-12-14-O

Alternate Part Numbers: 6400-12-14, A202702-14-12S

Specifications

Connection Size 1
3/4 in
Connection Size 2
7/8 in
Connection Type
Male JIC, Male SAE ORB
Connection Type 1
Male SAE 37 deg JIC Flare
Connection Type 2
Male SAE ORB
Cubic Inch Space L x W x H Dimensions
3.706 cu-in
Dimension Standards
SAE J1926, SAE J514
Dimensions
1.96 in L
Finish
Trivalent Zinc-Plated
Fitting Type
Adapter
Hex Size
1-3/8 in
Material
Steel
Material Construction
12L14/C1045 Steel
Maximum Operating Pressure
5000 psi
Operating Temperature
-40 to 250 deg F
Seal Material
NBR
Series
6400-O Series
Thread 2 Drill Dimensions
0.719 in
Thread B1 Drill Dimensions
0.609 in
Thread Size
1-3/16-12 x 1-1/16-12

Product Questions & Answers (2)

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Question by: Sheila E on Jun 28, 2025, 8:11 PM
Can this here fitting handle hydraulic fluid alright? I ain't tryin' to mess up my system.
Answer by: Customer Support on Jun 29, 2025, 9:49 PM
This straight adapter uses a NBR O-ring seal, which is compatible with many common hydraulic fluids.
Question by: Wayne P on Feb 5, 2026, 6:31 PM
got a port on my valve block that's 1-3/16-12 ORB and need to run a JIC line off it, this straight adapter do that job?
Answer by: Customer Support on Feb 7, 2026, 2:55 PM
That's what this fitting is built for. One end is a 1-3/16-12 Male SAE O-Ring Boss, the other is a 1-1/16-12 Male JIC SAE 37-degree flare. Both threads meet SAE J514, so you get a clean, standard-compliant transition between those two connection types in a straight-line configuration.

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