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Steel Adapter, 11/16-16 Male SAE O-Ring Face Seal Run & Branch To 7/16-20 Male SAE O-Ring Boss (Straight Thread O-Ring) Run, Tee

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Description & Features

This steel adapter features an 11/16-16 Male SAE O-Ring Face Seal run and branch connection. It also includes a 7/16-20 Male SAE O-Ring Boss (Straight Thread O-Ring) run, creating a tee configuration for versatile connection options.

Manufactured by Eaton Aeroquip, this FF1865T Series Tee/Y Adapters ORS/ORS/SAE O-Ring Boss adapter, catalog number C1CU80, offers reliable performance in demanding hydraulic applications. Refer to the fluid compatibility document for appropriate usage guidelines.

SKU: FF1865T0604S

Supplier Part Number (MPN): FF1865T0604S

Alternate Part Numbers: C1CU80

Specifications

A
1.37
Alternate Part Numbers
Alternate Part Number C1CU80, Alternate Part Number MINO-00015X11515
B
1.17
C
0.98
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13554
End Gender 2
13556
End Gender 3
13558
End Size 1
0.69
End Size 2
0.69
End Size 3
0.44
End Type 1
ORS
End Type 2
ORS
Hex Size 2
0.63
Minimum Working Temperature
-65
Supplier Part Number
FF1865T0604S
Thread 1
11/16-16
Thread 2
11/16-16
Thread 3
7/16-20
Thread Sealant
No
Product Weight
0.24 lbs

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Product Questions & Answers (2)

Question by: Ralph S on Sep 17, 2025, 9:00 AM
What size are the threads on this tee fitting?
Answer by: Customer Support on Sep 19, 2025, 8:48 AM
This adapter has an 11/16-16 Male SAE O-Ring Face Seal on the run and branch, and a 7/16-20 Male SAE O-Ring Boss (Straight Thread O-Ring) on the other run.
Question by: Earl O on Feb 15, 2026, 10:23 AM
what's the deal with the two different thread types on this thing, got an ORS line coming in but need to tap off to an ORB port on a valve block, that what this is for?
Answer by: Customer Support on Feb 16, 2026, 9:55 PM
That's the setup this tee handles. The run ports use 11/16-16 Male SAE O-Ring Face Seal connections, and the branch off the tee is a 7/16-20 Male SAE O-Ring Boss. So if you've got an ORS line running through and need to break off to an ORB port, this gets you there in one fitting without stacking adapters.