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Steel Adapter, 3/8-18 Male NPT To 3/4-16 Male JIC 37 deg Flare, Straight Bulkhead

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Description & Features

Designed for straight bulkhead installations, this Eaton Aeroquip Steel Adapter, 3/8-18 Male NPT To 3/4-16 Male JIC 37 Deg Flare, Straight Bulkhead connects male NPT and male JIC 37° flare fittings in a single, inline configuration. Part of the Eaton Aeroquip 2240 Series, it is suited for hydraulic, instrumentation, and chemical processing systems where reliable thread-to-flare transitions are required.

Constructed from steel with a straight body profile, this adapter accommodates panel or bulkhead mounting and maintains a 2.36-inch overall length. The 37° flare seat conforms to SAE standards, providing consistent sealing performance across compatible hydraulic lines and assemblies.

SKU: 2240-6-8S

Supplier Part Number (MPN): 2240-6-8S

Alternate Part Numbers: C1BD21, MI-00298914, MINO-00015F47345

Specifications

A
2.36
Alternate Part Numbers
Alternate Part Number C1BD21, Alternate Part Number MI-00298914, Alternate Part Number MINO-00015F47345
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
0.38
End Size 2
0.75
End Type 1
NPTF
End Type 2
SAE 37
Hex Size 2
1
Minimum Working Temperature
-65
Supplier Part Number
2240-6-8S
Thread 1
3/8-18
Thread 2
3/4-16
Thread Sealant
No
Tube I.D. 1
0.39
Tube I.D. 2
0.39
Tube O.D.
0.50
Tube O.D.
0.5
Product Weight
0.23 lbs

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Product Questions & Answers (1)

Question by: Tony R on Dec 3, 2025, 5:59 PM
Will this bulkhead fitting hold up okay in a hydraulic system running around 3000 PSI?
Answer by: Customer Support on Dec 5, 2025, 6:35 AM
This Eaton Aeroquip adapter is designed for use in hydraulic systems, instrumentation, and even chemical processing setups, so 3000 PSI should be well within its operating range.