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Brass Adapter, 1/2-14 Male NPT To 3/4-16 Male JIC 37 deg Flare, Straight

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Description & Features

Engineered for reliability the brass adapter seamlessly connects 1/2-14 male NPT to 3/4-16 male JIC 37-degree flare fittings. Manufactured by Danfoss Power Solutions (II LLC Aeroquip) this adapter offers robustness and precision in fluid transfer applications. Designed specifically for industrial use its high-quality brass construction ensures durability under varying temperature conditions maintaining functionality from -40F upwards.

The Eaton Aeroquip adapter features male NPTF and SAE 37 terminations providing a secure and leak-free connection. The 1/2-inch tube outside diameter and 3/4-inch threading make it suitable for diverse engineering setups. This straight adapter excels in environments where dependability and adherence to standards are paramount.

MPN: EAR99

Supplier Part Number: 2021-8-8B

Specifications

A
1.79
Alternate Part Numbers
Alternate Part Number C1AV34, Alternate Part Number MI-00310604, Alternate Part Number MINO-00015F60170
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
0.50
End Size 2
0.75
End Type 1
NPTF
End Type 2
SAE 37
Minimum Working Temperature
-40
Supplier Part Number
2021-8-8B
Thread 1
1/2-14
Thread 2
3/4-16
Thread Sealant
No
Tube O.D.
0.50
Tube O.D.
0.5
Product Weight
0.19 lbs

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Product Questions & Answers (2)

Question by: Brenda R on Mar 23, 2026, 3:59 PM
Trying to swap out an old fitting, is this the straight adapter that goes from 1/2-14 male NPT over to a -8 JIC male flare?
Answer by: Customer Support on Mar 25, 2026, 7:35 AM
For a straight male-to-male connection, it matches 1/2-14 male NPTF on one end and 3/4-16 male SAE 37 degree (JIC) flare on the other, which is the common -8 JIC thread size.
Question by: Bonnie B on Apr 16, 2025, 9:17 AM
brass fitting here, does this one go from a half-inch NPT thread on one end to a 3/4-16 JIC flare on the other, or did I read that backwards?
Answer by: Customer Support on Apr 18, 2025, 6:48 AM
You've got it right. The NPT side is 1/2-14 male and the JIC side is 3/4-16 male with a 37-degree flare. Both ends are male, so you'd be threading this into female ports on each side of your connection. Straight configuration, no angle to it.