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Steel Adapter, 9/16-18 Male SAE O-Ring Face Seal To 7/16-20 Male SAE O-Ring Boss (Straight Thread O-Ring), Straight

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Description & Features

This steel adapter features a 9/16-18 Male SAE O-Ring Face Seal connection on one end and a 7/16-20 Male SAE O-Ring Boss (Straight Thread O-Ring) connection on the other. The Eaton Aeroquip fitting is suitable for applications such as marine/military, chemical processing, pulp and paper industries, food and beverage processing, and off-shore drilling.

This straight adapter, part of the Danfoss / Eaton FF1852T Series, offers a reliable connection in demanding hydraulic applications. Refer to the provided fluid compatibility document for proper usage.

SKU: FF1852T0404S

Supplier Part Number (MPN): FF1852T0404S

Alternate Part Numbers: C1CU64, MI-00306423, MINO-00015F55501

Specifications

A
1.13
Alternate Part Numbers
Alternate Part Number C1CU64, Alternate Part Number MI-00306423, Alternate Part Number MINO-00015F55501
Application
Marine/Military, Chemical Processing, Pulp and Paper Industries, Food and Beverage Processing, Off-Shore Drilling
C
0.43
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13554
End Gender 2
13556
End Size 1
0.56
End Size 2
0.44
End Type 1
ORS
End Type 2
SAE ORB
Minimum Working Temperature
-40
Supplier Part Number
FF1852T0404S
Thread 1
9/16-18
Thread 2
7/16-20
Thread Sealant
No
Tube O.D.
0.25
Tube O.D.
0.25
Product Weight
0.03 lbs

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Product Questions & Answers (3)

Question by: Frank W on Feb 9, 2026, 3:31 PM
what industries is this fitting actually built for? got a few different applications and trying to figure out if it covers what I need
Answer by: Customer Support on Feb 10, 2026, 3:41 PM
Food and beverage processing, chemical processing, pulp and paper, marine and military, and offshore drilling are all listed applications for this fitting. That covers a pretty wide range of demanding environments, so odds are good it fits what you're working with.
Question by: Peggy E on Jun 3, 2025, 2:44 PM
Is this adapter okay for use with different types of hydraulic fluid, or just specific ones?
Answer by: Customer Support on Jun 4, 2025, 5:34 PM
You'll want to take a look at the fluid compatibility document that's linked on the product page. It'll give you the specifics on which fluids this adapter is good to go with.
Question by: Rhonda J on Feb 20, 2026, 6:21 PM
trying to swap fittings on a line, is this one a straight adapter that goes 9/16-18 male ORFS over to 7/16-20 male ORB?
Answer by: Customer Support on Feb 22, 2026, 6:42 AM
Yes, it is a straight steel adapter with a 9/16-18 Male SAE O-Ring Face Seal on one end and a 7/16-20 Male SAE O-Ring Boss (straight thread O-ring) on the other.