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Steel Adapter, 3/4-16 Male JIC 37 deg Flare Hex Plug

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Description & Features

Manufactured from steel and rated for a minimum working temperature of -40°F, this straight adapter is designed for hydraulic, instrumentation, and chemical processing systems requiring a reliable 37° flare connection. The Steel Adapter, 3/4-16 Male JIC 37 Deg Flare Hex Plug features a male SAE 37° flare end with a 3/4-16 thread and is compatible with 1/2" OD tubing. The hex plug configuration allows for straightforward installation and secure sealing without thread sealant required.

Produced by Danfoss Power Solutions (formerly Aeroquip), this fitting carries catalog number C1CB24 and is classified under the 37° Flare Union Steel Adapters product line. It is EAR99 export-classified and suitable for demanding fluid power environments where consistent performance across a wide temperature range is a factor.

SKU: 900599-8S

Supplier Part Number (MPN): 900599-8S

Alternate Part Numbers: 20011206, C1CB24, MI-00317249, MINO-00015F64574

Specifications

A
0.94
Alternate Part Numbers
Alternate Part Number 20011206, Alternate Part Number C1CB24, Alternate Part Number MI-00317249, Alternate Part Number MINO-00015F64574
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
13555
End Size 1
0.75
End Type 1
SAE 37
End Type 2
SAE 37
Minimum Working Temperature
-40
Supplier Part Number
900599-8S
Thread 2
3/4-16
Thread Sealant
No
Tube O.D.
0.50
Tube O.D.
0.5
Product Weight
0.05 lbs

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Product Questions & Answers (4)

Question by: Floyd H on Apr 25, 2025, 1:31 PM
got a 3/4-16 JIC port and just need to cap it off, is this the right plug?
Answer by: Customer Support on Apr 26, 2025, 8:17 PM
For a 3/4-16 SAE 37 degree (JIC) flare connection, this is a straight hex plug with a 3/4-16 male JIC 37 degree flare end, so it matches that thread and flare style for plugging a port.
Question by: Shane W on Jul 20, 2025, 3:47 PM
Will this plug work for hydraulic systems using a 3/4-16 JIC fitting?
Answer by: Customer Support on Jul 21, 2025, 6:02 PM
It's specifically made to fit hydraulic, instrumentation, and chemical processing systems that use a 3/4-16 male JIC 37-degree flare.
Question by: Pete W on Aug 28, 2025, 8:48 AM
fitting's got 3/4-16 threads on it, that the same as standard JIC fittings I'd be running on most hydraulic lines?
Answer by: Customer Support on Aug 30, 2025, 6:00 AM
Yes, 3/4-16 is the standard thread pitch for 3/4" JIC fittings, so it'll match up with other JIC 37-degree flare components running that same thread size. The plug seats with a 37-degree flare angle, which is what the SAE JIC standard calls for. Worth confirming your mating port also uses that same flare spec before you wrench it in.
Question by: Harold B on Jul 28, 2025, 2:51 PM
got a JIC 37 degree port that needs capping off on a hydraulic manifold, this the right plug for that?
Answer by: Customer Support on Jul 30, 2025, 6:37 AM
For a 3/4-16 JIC 37 degree flare port, yes, this is the correct plug. The 37 degree flare seating matches the JIC standard, so it seats properly without needing a separate seal. It's a hex plug, meaning you torque it in with a wrench rather than threading it in by hand, which keeps it from backing out under pressure. Eaton Aeroquip makes this part to a consistent standard, so fitment on a standard JIC port is straightforward.