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

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Description & Features

Part of the Danfoss Power Solutions (Aeroquip) 221501 Series, this fitting connects a 1-5/16-12 female JIC 37° flare swivel end to a 3/4-16 male JIC 37° flare end in a straight configuration. The swivel design on the female end allows for easier installation and alignment in tight or fixed-line assemblies. Constructed from steel, it is rated for a minimum working temperature of -65°F, making it suitable for demanding hydraulic circuit conditions across a range of industrial environments.

The Steel Adapter, 1-5/16-12 Female JIC 37 Deg Flare Swivel To 3/4-16 Male JIC 37 Deg Flare, Straight functions as a reducer adapter, stepping down from the larger 1-5/16-12 thread to the smaller 3/4-16 thread. Both ends use SAE 37° flare seating, providing a reliable metal-to-metal seal without thread sealant. Tube O.D. is 0.5 in. with a tube I.D. of 0.39 in. on the male end. Catalog number C1BC67.

SKU: 221501-16-8S

Supplier Part Number (MPN): 221501-16-8S

Alternate Part Numbers: C1BC67, MI-00316163, MINO-00015F64151

Specifications

A
1.26
Alternate Part Numbers
Alternate Part Number C1BC67, Alternate Part Number MI-00316163, Alternate Part Number MINO-00015F64151
Application
Other
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13553
End Gender 2
13556
End Size 1
1
End Size 2
0.50
End Type 1
SAE 37
End Type 2
SAE 37
Minimum Working Temperature
-65
Supplier Part Number
221501-16-8S
Thread 1
1-5/16-12
Thread 2
3/4-16
Thread Sealant
No
Tube I.D. 2
0.39
Tube O.D.
0.50
Tube O.D.
0.5
Product Weight
0.31 lbs

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Product Questions & Answers (3)

Question by: Melvin G on May 21, 2025, 4:42 PM
got a hose end that’s 1-5/16-12 female JIC swivel, will this adapter step it down to a 3/4-16 male JIC without any funny business
Answer by: Customer Support on May 23, 2025, 1:01 PM
Function-wise, it is a straight reducer adapter that goes from a 1-5/16-12 female JIC 37 degree flare swivel on one side to a 3/4-16 male JIC 37 degree flare on the other, so it’s meant for exactly that size reduction in JIC flare connections.
Question by: Rod B on Apr 4, 2025, 11:09 AM
Will this adapter work to connect a 1-5/16-12 female JIC to a 3/4-16 male JIC? Just want to make sure before I order.
Answer by: Customer Support on Apr 5, 2025, 7:54 PM
Yes sir, this adapter is specifically made for that purpose. It's a straight steel adapter that goes from a 1-5/16-12 female JIC 37 degree flare swivel to a 3/4-16 male JIC 37 degree flare.
Question by: Dean W on Jan 12, 2026, 4:31 PM
got a 1-5/16-12 female JIC port on a valve block and need to step it down to a 3/4-16 male JIC line, this the right piece for that?
Answer by: Customer Support on Jan 14, 2026, 4:11 PM
Yeah, that's exactly what this adapter is built for. Female 1-5/16-12 JIC swivel on one end, male 3/4-16 JIC on the other, both at the standard 37-degree flare angle. It's a straight reducer configuration, so there's no elbow or offset to account for. The swivel on the female end gives you a little wiggle room when you're torquing things down, which helps keep the line from twisting up on you during assembly.