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Steel Adapter, 11/16-16 Male SAE O-Ring Face Seal To 3/4-16 Male SAE O-Ring Boss (Straight Thread O-Ring), Straight

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Description & Features

Rated for use in marine/military, chemical processing, pulp and paper, food and beverage, and off-shore drilling environments, this Danfoss Power Solutions (Aeroquip) FF1852T Series adapter is built to handle demanding hydraulic circuit requirements. The Steel Adapter, 11/16-16 Male SAE O-Ring Face Seal To 3/4-16 Male SAE O-Ring Boss (Straight Thread O-Ring), Straight connects an 11/16-16 male ORS end to a 3/4-16 male SAE ORB end in a straight configuration. Seals FF9446-12 and 22617-8 are included to support leak-free assembly at both connection points.

Constructed from steel with a minimum working temperature of -40°F, this adapter is well-suited for hydraulic systems exposed to temperature extremes or corrosive media. The straight thread O-ring boss end provides a secure, vibration-resistant port connection, while the O-ring face seal end delivers reliable sealing without thread sealant. Catalog number C1CU68 applies to this part.

SKU: FF1852T0608S

Supplier Part Number (MPN): FF1852T0608S

Alternate Part Numbers: C1CU68, FMC102-2038, MI-00444594, MINO-00015I01224

Specifications

A
1.38
Alternate Part Numbers
Alternate Part Number C1CU68, Alternate Part Number FMC102-2038, Alternate Part Number MI-00444594, Alternate Part Number MINO-00015I01224
Application
Marine/Military, Chemical Processing, Pulp and Paper Industries, Food and Beverage Processing, Off-Shore Drilling
C
0.55
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
0.69
End Size 2
0.75
End Type 1
ORS
End Type 2
SAE ORB
Minimum Working Temperature
-40
Seal Part if Included
22617-8|FF9446-12
Supplier Part Number
FF1852T0608S
Thread 1
11/16-16
Thread 2
3/4-16
Thread Sealant
No
Tube O.D.
0.38
Tube O.D.
0.38
Product Weight
0.15 lbs

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Product Questions & Answers (1)

Question by: Larry P on Dec 28, 2025, 8:31 AM
got a port connection on a hydraulic valve block that keeps working loose from vibration, would the ORB end on this adapter help lock that down better than what I got now?
Answer by: Customer Support on Dec 29, 2025, 1:53 PM
Straight thread O-ring boss connections are specifically built for that problem. The sealing happens through an O-ring compressed against a machined seat at the port, not through thread engagement alone, so vibration doesn't compromise the seal the way it can with tapered thread fittings. The FF1852T0608S uses that ORB configuration on one end, which should give you a much more secure, vibration-resistant port connection than a standard threaded fitting would.