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

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Description & Features

This Eaton Aeroquip steel adapter is designed for use in hydraulic, instrumentation, and chemical processing systems. It features 9/16-18 male JIC 37 deg flare connections on both ends.

This is a straight bulkhead union adapter with an A dimension of 2.18 and a B dimension of 1.28.

SKU: 2041-6-6S

Supplier Part Number (MPN): 2041-6-6S

Alternate Part Numbers: C1AY45, FMC-102-1783-0606, FMC102-0296, FMC601162, MI-00315087, MINO-00015F63358

Specifications

A
2.18
Alternate Part Numbers
Alternate Part Number C1AY45, Alternate Part Number FMC-102-1783-0606, Alternate Part Number FMC102-0296, Alternate Part Number FMC601162, Alternate Part Number MI-00315087, Alternate Part Number MINO-00015F63358
Application
Other - Hydraulic, instrumentation, and chemical processing systems
B
1.28
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
0.56
End Type 1
SAE 37
End Type 2
SAE 37
Hex Size 2
0.81
Minimum Working Temperature
-65
Supplier Part Number
2041-6-6S
Thread 1
9/16-18
Thread 2
9/16-18
Thread Sealant
No
Tube I.D. 1
0.30
Tube I.D. 2
0.30
Tube O.D.
0.38
Tube O.D.
0.38
Product Weight
0.14 lbs

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Product Questions & Answers (3)

Question by: Floyd B on Feb 22, 2026, 11:56 AM
got a bulkhead pass-through deal with 9/16-18 on both sides. is this the straight adapter for that?
Answer by: Customer Support on Feb 24, 2026, 8:17 AM
For a straight bulkhead connection, this adapter matches 9/16-18 male JIC 37 degree flare on both ends, so it fits a same-size pass-through setup where both sides are SAE 37 flare.
Question by: Dustin G on Feb 18, 2026, 5:29 PM
got a bulkhead pass-through i need to hook up on both sides, are both ends on this adapter the same size and style?
Answer by: Customer Support on Feb 20, 2026, 6:57 AM
Both ends are 9/16-18 male JIC with a 37 degree flare, so it is a straight bulkhead union that matches side to side.
Question by: Troy H on Aug 3, 2025, 1:04 PM
Will this Eaton Aeroquip fitting work for hydraulics, or is it just for instrumentation and stuff like that?
Answer by: Customer Support on Aug 5, 2025, 7:30 AM
It's good for hydraulic applications as well as instrumentation and chemical processing systems.