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Steel Adapter, 3/4-16 Male SAE O-Ring Boss (Straight Thread O-Ring) To 7/16-20 Male JIC 37 deg Flare, Straight

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Description & Features

Manufactured by Eaton Aeroquip, this Steel Adapter, 3/4-16 Male SAE O-Ring Boss (Straight Thread O-Ring) To 7/16-20 Male JIC 37 deg Flare, Straight provides a reliable straight-configuration transition between SAE O-Ring Boss and JIC 37° flare connections in demanding hydraulic systems. The straight thread O-ring design on the ORB end delivers a leak-resistant seal well suited to high-vibration environments.

With an overall length of 1.37 inches, this compact adapter is well suited for installations where space is limited. Its application range spans marine and military equipment, chemical processing, pulp and paper machinery, food and beverage processing, and off-shore drilling, environments that demand consistent sealing performance and material integrity. The adapter carries catalog reference C1AX31 and is part of the Eaton Aeroquip 202702 series of straight adapters.

SKU: 202702-8-4S

Supplier Part Number (MPN): 202702-8-4S

Alternate Part Numbers: C1AX31, MI-00318757, MINO-00015F65156

Specifications

A
1.37
Alternate Part Numbers
Alternate Part Number C1AX31, Alternate Part Number MI-00318757, Alternate Part Number MINO-00015F65156
Application
Marine/Military, Chemical Processing, Pulp and Paper Industries, Food and Beverage Processing, Off-Shore Drilling
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
0.75
End Size 2
0.44
End Type 1
SAE ORB
End Type 2
SAE 37
Minimum Working Temperature
-40
Supplier Part Number
202702-8-4S
Thread 1
3/4-16
Thread 2
7/16-20
Thread Sealant
No
Tube O.D.
0.25
Tube O.D.
0.25
Product Weight
0.06 lbs

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Product Questions & Answers (2)

Question by: Bonnie C on Oct 20, 2025, 10:17 AM
Trying to hook a 3/4-16 ORB port up to a 1/4 inch JIC line, is this the right straight adapter?
Answer by: Customer Support on Oct 21, 2025, 4:03 PM
For that setup, it matches the common sizing: one end is a 3/4-16 male SAE O-Ring Boss and the other end is a 7/16-20 male JIC 37 degree flare, which is the thread size typically used on 1/4 inch tube O.D. JIC.
Question by: Tommy T on Jun 9, 2025, 6:59 PM
Got a port on my hydraulic manifold that's 3/4-16 ORB and I need to run a JIC line off it, this adapter gonna bridge that gap straight up?
Answer by: Customer Support on Jun 11, 2025, 11:01 AM
Yeah, that's exactly what this one's built for. One end is 3/4-16 male SAE O-Ring Boss, the other is 7/16-20 male JIC 37 degree flare, and it runs straight through with no angle. Both ends are male, so you'd be threading the ORB side into a female ORB port on your manifold and connecting your JIC female swivel onto the other end. Pretty common setup when you're pulling a branch line off a block or valve body.