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Brass Adapter, 3/8-18 Female NPT Coupling

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Description & Features

The Brass Adapter 3/8-18 Female NPT Coupling produced by Danfoss Power Solutions (Aeroquip Inc-Alternate) offers reliable connection solutions for various industrial applications such as grease refrigeration instrumentation and hydraulic systems. This reducer coupling is also adaptable to fuel LP and natural gas systems upon special request.

Designed with a robust construction this female-to-female NPTF adapter ensures durability and consistent performance even in demanding environments.

With thread sizes of 3/8-18 and a minimum working temperature rating of -65F it delivers precise engineering suitable for critical operations.

Supplier Part Number: 3300X6

MPN: 40183100

Specifications

Alternate Part Numbers
Alternate Part Number C1HP18, Alternate Part Number MI-00333640, Alternate Part Number MINO-00015X05686, Alternate Part Number MINO-00925F73249
Application
Grease, refrigeration, instrumentation and hydraulic systems. Fuel, LP and natural gas available on special order.
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13553
End Gender 2
13555
End Size 1
0.38
End Size 2
0.38
End Type 1
NPTF
End Type 2
NPTF
L
1.12
Minimum Working Temperature
-65
Supplier Part Number
3300X6
Thread 1
3/8-18
Thread Sealant
No
Product Weight
0.10 lbs

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Product Questions & Answers (2)

Question by: Rod W on Oct 1, 2025, 12:52 PM
got two 3/8-18 female pipe threads i need to join up, is that what this coupling does?
Answer by: Customer Support on Oct 3, 2025, 7:47 AM
Function-wise, it is a female to female NPTF adapter with 3/8-18 threads, so it is meant to connect two matching 3/8-18 male pipe ends together as a coupling.
Question by: Judy M on Oct 6, 2025, 9:43 PM
Will this brass adapter hold up okay in a hydraulic system?
Answer by: Customer Support on Oct 8, 2025, 7:55 PM
Designed for demanding environments, this adapter provides reliable connection solutions for hydraulic systems, as well as grease, refrigeration, and instrumentation applications.