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24MORB-24FP STRAIGHT

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Description & Features

Designed for straight-configuration hydraulic connections, the 24MORB-24FP Straight fitting bridges a 1-7/8-12 Male SAE O-Ring Boss thread (per SAE J514) on one end to a 1-1/2-11-1/2 Female NPSM thread (per SAE J476) on the other. The male ORB end uses an NBR O-ring seal to provide reliable, leak-resistant performance in high-pressure hydraulic circuits.

Constructed from steel, this straight adapter is part of Brennan Industries' 6405-O series and has an overall length of 2.160 inches. The Thread B1 drill dimension is 1.312 inches and the Thread B2 drill dimension is 1.500 inches. It is well-suited for industrial hydraulic systems requiring a direct, inline transition between SAE O-Ring Boss and NPSM female connections. California residents should note that this product is subject to Proposition 65 warnings.

SKU: 6405-24-24-O

Supplier Part Number (MPN): 6405-24-24-O

Alternate Part Numbers: 6405-24-24, A2216-24-24S, BR-6405-24-24-O

Specifications

Connection Size 1
1-1/2 in
Connection Size 2
1-1/2 in
Connection Type
FNPT, Male SAE ORB
Connection Type 1
Male SAE ORB
Connection Type 2
FNPTF
Dimension Standards
SAE J1926, SAE J476, SAE J514
Dimensions
2.3 in L
Finish
Trivalent Zinc-Plated
Fitting Type
Adapter
Hex Size
2.38 in
l Dimensions
2.16 in
Material
Steel
Material Construction
12L14/C1045 Steel
Operating Temperature
-40 to 250 deg F
Seal Material
NBR
Series
6405-O Series
Thread 2 Drill Dimensions
1.5 in
Thread B1 Drill Dimensions
1.312 in
Thread Size
1-7/8-12, 1-1/2-11-1/2

Product Questions & Answers (2)

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Question by: Clint J on Oct 24, 2025, 8:05 PM
Will this fitting hold up in a high-pressure hydraulic system?
Answer by: Customer Support on Oct 26, 2025, 10:00 AM
This straight adapter uses an NBR O-ring seal to deliver reliable, leak-resistant performance in high-pressure hydraulic circuits.
Question by: Chad M on Dec 31, 2025, 12:12 PM
got a hose end that’s 1-1/2-11-1/2 female NPSM. is this the piece that’ll screw into a 1-7/8-12 ORB port?
Answer by: Customer Support on Jan 2, 2026, 6:14 AM
Function-wise, it is a straight steel adapter that goes from a 1-7/8-12 Male SAE O-Ring Boss thread (SAE J514) to a 1-1/2-11-1/2 Female NPSM thread (SAE J476), so it matches the thread types and sizes you called out.

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