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Steel Adapter, 3/4-14 Male NPT To 1-5/16-12 Male JIC 37 deg Flare, Straight

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Description & Features

This steel adapter is part of the Eaton Aeroquip 2021 series of straight adapters. The fitting features a 3/4-14 male NPT to 1-5/16-12 male JIC 37 deg flare connection.

Applications for this Steel Adapter include marine and military, chemical processing, pulp and paper industries, food and beverage processing, and off-shore drilling.

SKU: 2021-12-16S

Supplier Part Number (MPN): 2021-12-16S

Alternate Part Numbers: 20011358, C1AU78, CONSX0144, MI-00310340, MINO-00015F60087

Specifications

A
2.11
Alternate Part Numbers
Alternate Part Number 20011358, Alternate Part Number C1AU78, Alternate Part Number CONSX0144, Alternate Part Number MI-00310340, Alternate Part Number MINO-00015F60087
Application
Marine/Military, Chemical Processing, Pulp and Paper Industries, Food and Beverage Processing, Off-Shore Drilling
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 Type 1
NPTF
End Type 2
SAE 37
Hex Size 2
1.50
Minimum Working Temperature
-40
Supplier Part Number
2021-12-16S
Thread 1
3/4-14
Thread 2
1-5/16-12
Thread Sealant
No
Tube O.D.
1
Tube O.D.
1
Product Weight
0.41 lbs

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Product Questions & Answers (3)

Question by: Ross T on Feb 17, 2026, 9:09 PM
i got a hose end that’s 1-5/16-12 JIC, will this adapter screw right onto it?
Answer by: Customer Support on Feb 19, 2026, 2:53 PM
The JIC side on this adapter is a 1-5/16-12 male SAE 37 degree flare, so it matches a hose end or fitting with a 1-5/16-12 female JIC 37 degree flare.
Question by: Rick H on Apr 10, 2025, 3:25 PM
Will this adapter work alright for connecting a pipe to a 37 degree flared fitting?
Answer by: Customer Support on Apr 12, 2025, 2:43 PM
This straight adapter is specifically made for connecting a pipe thread to a 37-degree flared fitting.
Question by: Brett H on Jun 7, 2025, 7:43 AM
got a port that’s 3/4-14 npt and i need to go over to a jic flare line. is this the right adapter or am i mixin stuff up
Answer by: Customer Support on Jun 8, 2025, 8:03 AM
Function-wise, it’s a straight adapter made to transition from a 3/4-14 male NPT pipe thread to a 1-5/16-12 male JIC 37 degree flare connection. If those two thread callouts match what you’re tying together, this is the correct style of fitting.