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Steel Adapter, 1-1/2-11-1/2 Male NPT To 3/4-14 Female NPT, Bushing

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Description & Features

Part of Eaton Aeroquip's 2081 Series, this steel bushing adapter reduces from a 1-1/2-11-1/2 male NPT connection to a 3/4-14 female NPT, making it well suited for grease, instrumentation, and most hydraulic system connections. The Steel Adapter, 1-1/2-11-1/2 Male NPT To 3/4-14 Female NPT, Bushing is manufactured by Eaton Aeroquip and carries catalog number C1BA42.

With a body dimension (A) of 1.57 inches, this compact reducer bushing is designed for reliable thread engagement in demanding industrial environments where connection size reduction is required in-line.

SKU: 2081-24-12S

Supplier Part Number (MPN): 2081-24-12S

Alternate Part Numbers: C1BA42, MI-00325859, MINO-00015F67651

Specifications

A
1.57
Alternate Part Numbers
Alternate Part Number C1BA42, Alternate Part Number MI-00325859, Alternate Part Number MINO-00015F67651
Application
Other - Grease, instrumentation, and most hydraulic systems
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13554
End Gender 2
13555
End Size 2
0.75
End Type 1
NPTF
End Type 2
NPTF
Minimum Working Temperature
-65
Supplier Part Number
2081-24-12S
Thread 1
1-1/2-11-1/2
Thread 2
3/4-14
Thread Sealant
No
Product Weight
0.81 lbs

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Product Questions & Answers (2)

Question by: Glen W on Jul 8, 2025, 5:03 PM
what exactly is this adapter doing in the line, is it stepping down from a bigger pipe thread to a smaller one?
Answer by: Customer Support on Jul 9, 2025, 6:26 PM
That's it. The male end threads into a 1-1/2 inch NPT port, and the female end accepts a 3/4 inch NPT fitting. So you're reducing from the larger connection down to the smaller one. It's a bushing-style adapter, meaning it's a compact, single-piece reducer rather than a hex nipple with two male ends. Works well for grease systems, instrumentation lines, and most standard hydraulic setups.
Question by: Ross F on Apr 7, 2025, 8:29 PM
got a 1-1/2 npt port but my line is 3/4 npt. is this the right bushing to step it down
Answer by: Customer Support on Apr 9, 2025, 6:11 AM
Function-wise, yes. It is a reducer bushing that goes from 1-1/2-11-1/2 male NPT on the outside to 3/4-14 female NPT on the inside.