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Steel Adapter, 3/4-16 Male SAE O-Ring Boss (Straight Thread O-Ring) Run To 3/4-16 Male JIC 37 deg Flare Run & Branch, Tee

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Description & Features

Manufactured by Eaton Aeroquip, this steel tee adapter connects a 3/4-16 Male SAE O-Ring Boss (Straight Thread O-Ring) run port to dual 3/4-16 Male JIC 37° Flare run and branch outlets. The Steel Adapter, 3/4-16 Male SAE O-Ring Boss (Straight Thread O-Ring) Run To 3/4-16 Male JIC 37 deg Flare Run & Branch, Tee is designed for hydraulic, instrumentation, and chemical processing systems requiring a reliable tee configuration at this thread size.

Part of the Eaton Aeroquip 203005 series, this adapter carries catalog reference C1AX65. Dimensional measurements include an A dimension of 1.45 inches and B and C dimensions of 1.25 inches each, providing a compact footprint for tight installations.

SKU: 203005-8-8S

Supplier Part Number (MPN): 203005-8-8S

Alternate Part Numbers: C1AX65, MI-00319418, MINO-00015F65431

Specifications

a Dimensions
1.45 in
b Dimensions
1-1/4 in
c Dimensions
1-1/4 in
Connection Size 1
1/2 in
Connection Size 2
1/2 in
Connection Size 3
1/2 in
Connection Type
Male JIC, Male SAE ORB
Connection Type 1
Male SAE Adjustable ORB
Connection Type 2
Male SAE 37 deg JIC Flare
Connection Type 3
Male SAE 37 deg JIC Flare
Dimension Standards
SAE 070428/J1926/J514
Dimensions
2.7 in L
Drop Dimensions
1-1/4 in
Finish
Dura-Kote™
Fitting Type
Tee
Hex Size
7/8 in, 1/2 in
Material
Steel
Material Construction
Carbon Steel
Operating Temperature
-40 to 250 deg F
Seal Material
NBR
Series
203005 Series
Thread Size
3/4-16
Tube OD
1/2 in

Product Questions & Answers (2)

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Question by: Duane F on Nov 9, 2025, 12:09 PM
trying to swap out a tee i busted, are all three ends on this one 3/4-16 male?
Answer by: Customer Support on Nov 11, 2025, 9:26 AM
It’s a male tee with 3/4-16 threads on all three ports. The run and the branch are all 3/4-16, and it’s a Straight Thread O-Ring Boss to 37° flare style steel adapter.
Question by: Brett G on Feb 5, 2026, 6:16 AM
got a hydraulic tee fitting that needs replacing on a loader circuit, the run ports are 3/4-16 SAE O-ring boss and the branch is JIC 37 degree flare, same size. this the right part?
Answer by: Customer Support on Feb 6, 2026, 12:19 PM
For that exact configuration, yes. The 203005-8-8S connects 3/4-16 Male SAE O-Ring Boss on the run ports to 3/4-16 Male JIC 37 degree flare on the branch, all in a single tee body. It's an Eaton Aeroquip piece, part of the 203005 series, so the thread forms and seat angles are built to match standard hydraulic hydraulic connections for those two connection types. As long as your ports accept male ORB and male JIC in that size, this fitting should drop right into the application.

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