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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), 90 deg Elbow

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Description & Features

This steel adapter features a 9/16-18 Male SAE O-Ring Face Seal connection to a 7/16-20 Male SAE O-Ring Boss (Straight Thread O-Ring) connection, configured as a 90-degree elbow. Well-suited for demanding applications, this adapter is commonly used in marine/military, chemical processing, pulp and paper industries, food and beverage processing, and off-shore drilling environments.

Manufactured by Eaton Aeroquip, this adapter ensures reliable performance. The product name is Steel Adapter, 9/16-18 Male SAE O-Ring Face Seal To 7/16-20 Male SAE O-Ring Boss (Straight Thread O-Ring), 90 deg Elbow. It has dimensions A: 0.85, B: 1.29, and C: 0.43. For fluid compatibility details, refer to the provided document link.

SKU: FF1868T0404S

Supplier Part Number (MPN): FF1868T0404S

Alternate Part Numbers: C1CU83, MI-00306433, MINO-00015F55511

Specifications

A
0.85
Alternate Part Numbers
Alternate Part Number C1CU83, Alternate Part Number MI-00306433, Alternate Part Number MINO-00015F55511
Application
Marine/Military, Chemical Processing, Pulp and Paper Industries, Food and Beverage Processing, Off-Shore Drilling
B
1.29
C
0.43
Drop Dimension
1.29
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
Hex Size 2
0.62
Minimum Working Temperature
-65
Seal Part if Included
FF9446-11|22617-4
Supplier Part Number
FF1868T0404S
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
0.12 lbs

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Product Questions & Answers (3)

Question by: Tammy R on Feb 16, 2026, 10:28 AM
got a tight spot on my lines. is this the 90 degree elbow that goes from 9/16-18 male ORFS over to 7/16-20 male SAE O-ring boss?
Answer by: Customer Support on Feb 17, 2026, 3:42 PM
Matches that layout. One end is 9/16-18 Male SAE O-Ring Face Seal, and the other is 7/16-20 Male SAE O-Ring Boss with a straight thread O-ring, built as a 90 degree elbow.
Question by: Vince Y on Jul 19, 2025, 11:08 AM
Will this here fitting hold up okay in a marine environment, say on a fishing boat?
Answer by: Customer Support on Jul 21, 2025, 7:55 AM
This Eaton Aeroquip adapter is indeed well-suited for marine applications, along with chemical processing, pulp and paper, food and beverage, and even offshore drilling.
Question by: Tony T on May 3, 2025, 9:02 AM
got a 9/16-18 ORF seal fitting on a hydraulic line and need to drop down to a 7/16-20 ORB port on a valve block, this elbow gonna make that connection work?
Answer by: Customer Support on May 4, 2025, 3:53 PM
That's exactly what this fitting handles. One end is a 9/16-18 Male SAE O-Ring Face Seal and the other is a 7/16-20 Male SAE O-Ring Boss, so you're connecting two different thread and sealing standards in one piece. The 90-degree angle also takes care of routing in tight spots where a straight adapter just won't clear. It's made by Eaton Aeroquip, and the overall envelope runs about 1.29 inches on the long side with a 0.85-inch width, so measure your clearance before you button everything up.