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Steel Adapter, 3/4-16 Male JIC 37 deg Flare To 9/16-18 Male JIC 37 deg Flare, Straight

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Description & Features

Constructed from steel, this straight union adapter connects a 3/4-16 Male JIC 37° Flare fitting to a 9/16-18 Male JIC 37° Flare fitting, making it well-suited for reducing or adapting between two different JIC thread sizes in a single inline connection. Both ends feature SAE 37° flare seating, providing a reliable metal-to-metal seal without thread sealant required.

The Steel Adapter, 3/4-16 Male JIC 37 deg Flare To 9/16-18 Male JIC 37 deg Flare, Straight is part of the Danfoss Power Solutions (Aeroquip) 2027 Series and is rated for use down to -65°F minimum working temperature. It is appropriate for hydraulic, instrumentation, and chemical processing systems where a straight male-to-male JIC union adapter is needed.

SKU: 2027-8-6S

Supplier Part Number (MPN): 2027-8-6S

Alternate Part Numbers: C1AW79, MI-00311715, MINO-00015F61171

Specifications

A
1.52
Alternate Part Numbers
Alternate Part Number C1AW79, Alternate Part Number MI-00311715, Alternate Part Number MINO-00015F61171
Application
Other - Hydraulic, instrumentation, and chemical processing systems
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
0.56
End Type 1
SAE 37
End Type 2
SAE 37
Minimum Working Temperature
-65
Supplier Part Number
2027-8-6S
Thread 1
3/4-16
Thread 2
9/16-18
Thread Sealant
No
Tube O.D.
0.38
Tube O.D.
0.38
Product Weight
0.10 lbs

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Product Questions & Answers (2)

Question by: Rick S on Oct 26, 2025, 11:35 AM
trying to swap a line over, is this the straight union that goes from 3/4-16 JIC male to 9/16-18 JIC male
Answer by: Customer Support on Oct 28, 2025, 10:42 AM
It matches a male JIC 37 degree flare on both ends with those exact threads: one end is 3/4-16 male and the other is 9/16-18 male, in a straight union style.
Question by: Daryl G on Sep 28, 2025, 3:20 PM
got a line running 3/4-16 JIC on one end and need to step it down to 9/16-18 JIC on the other, this adapter do that straight through?
Answer by: Customer Support on Sep 29, 2025, 7:02 PM
That's what this one's built for. The 2027-8-6S connects a 3/4-16 male JIC 37 degree flare on one side to a 9/16-18 male JIC 37 degree flare on the other, in a straight configuration. Both ends use the same SAE 37 degree flare seating, so as long as your mating fittings are female JIC on both sides, you're good to go.