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Steel Adapter, 9/16-18 Male SAE O-Ring Boss (Straight Thread O-Ring) Socket Hex Plug

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Description & Features

Designed for precise and secure connections, the Steel Adapter with a 9/16-18 Male SAE O-Ring Boss (Straight Thread O-Ring) Socket Hex Plug is an essential component in demanding environments such as marine, military, chemical processing, and off-shore drilling. Manufactured by Eaton Aeroquip, this adapter ensures compatibility and reliability in high-performance applications.

Crafted from durable steel, this adapter features a male SAE O-Ring Boss thread, ensuring a leak-free seal under high pressure. The hex socket design allows for easy installation and removal, optimizing maintenance efficiency. With dimensions of 0.48 inches for attribute A and 0.25 inches for attribute B, this adapter is engineered to fit seamlessly into your hydraulic systems.

SKU: FF2138-06S

Supplier Part Number (MPN): FF2138-06S

Alternate Part Numbers: C1CV23, MI-02607261, MINO-00015J37510

Specifications

A
0.48
Alternate Part Numbers
Alternate Part Number C1CV23, Alternate Part Number MI-02607261, Alternate Part Number MINO-00015J37510
Application
Marine/Military, Chemical Processing, Pulp and Paper Industries, Food and Beverage Processing, Off-Shore Drilling
B
0.25
C
0.69
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13554
End Size 1
0.56
End Size 2
0.38
End Type 1
SAE ORB
Minimum Working Temperature
-40
Seal Part if Included
22617-6
Supplier Part Number
FF2138-06S
Thread 2
9/16-18
Thread Sealant
No
Tube O.D.
0.38
Tube O.D.
0.38
Product Weight
0.03 lbs

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Product Questions & Answers (3)

Question by: Pete R on Nov 14, 2025, 7:13 AM
what industries is this plug rated for, like does it hold up in rougher environments?
Answer by: Customer Support on Nov 15, 2025, 8:56 AM
Marine, military, offshore drilling, chemical processing, pulp and paper, and food and beverage are all listed applications for this adapter. That covers a pretty wide range of demanding environments, so it's built with those conditions in mind rather than just light-duty shop use.
Question by: Travis M on Apr 11, 2025, 5:53 PM
got a port that’s 9/16-18 ORB, is this the right socket hex plug for it?
Answer by: Customer Support on Apr 13, 2025, 5:04 PM
For a 9/16-18 male SAE O-Ring Boss (ORB) straight thread connection, this part matches that thread and end type and is set up as a socket hex plug.
Question by: Todd L on Jun 6, 2025, 7:15 AM
Will this plug work in marine applications?
Answer by: Customer Support on Jun 7, 2025, 3:20 PM
This steel adapter can be used in marine environments, along with military, chemical processing, pulp and paper, food and beverage, and off-shore drilling applications.