16MORB-12MP STRAIGHT

Description & Features

The 16MORB-12MP STRAIGHT adapter from Brennan Industries Inc optimizes industrial applications with its precise engineering. This adapter features a reliable NBR O-ring ensuring a dependable seal under various working conditions. Designed with straight steel raw material it offers durability and resilience in demanding environments.

Its overall length measures 1.960 mm providing a compact yet effective solution for system connections. The Male SAE O-Ring Boss (SAE J514) and Male NPTF (SAE J476) threading specifications ensure compatibility with a wide range of industrial fittings.

The adapter's primary connection end features a thread size of 1-5/16-12 while the secondary end is designed with a 3/4-14 thread size making it suitable for diverse industrial requirements. The precise thread drilling 0.844 mm and 0.719 mm for the respective ends ensures a secure and tight fit.

Warning for California residents: PROP-65.

MPN 6401-16-12-O

Supplier Part Number 6401-16-12-O

Specifications

Connection Size 1
1 in
Connection Size 2
3/4 in
Connection Type
Male SAE ORB, MNPT
Connection Type 1
Male SAE ORB
Connection Type 2
MNPTF
Dimension Standards
SAE J1926, SAE J476, SAE J514
Dimensions
1.89 in L
Finish
Trivalent Zinc-Plated
Fitting Type
Adapter
Hex Size
1-1/2 in
Material
Steel
Material Construction
12L14/C1045 Steel
Maximum Operating Pressure
4500 psi
Operating Temperature
-40 to 250 deg F
Seal Material
NBR
Series
6401-O Series
Thread 2 Drill Dimensions
0.719 in
Thread B1 Drill Dimensions
0.844 in
Thread Size
3/4-14, 1-5/16-12

Product Questions & Answers (1)

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Question by: Cody M on Nov 19, 2025, 8:21 PM
got a port that’s 1-5/16-12 ORB on one side and i need to go over to 3/4-14 nptf, is that what this adapter is?
Answer by: Customer Support on Nov 20, 2025, 9:36 PM
It bridges a male SAE O-ring boss connection (SAE J514) with 1-5/16-12 threads to a male NPTF connection (SAE J476) with 3/4-14 threads, in a straight steel adapter body.

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